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# OUBAO: Partner with OUBAO, a top door control manufacturer with 30+ years of expertise. Producing 6M door closers & 1.5M magnetic locks annually. Certified by UL, CE, and ANSI for global security projects. Get a custom quote!

## Sitemaps
[XML Sitemap](https://www.oubao.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Top 10 Professional Magnetic Gate Lock Companies and Wholesale in Euro Market](https://www.oubao.com/blog/market-insight/top-magnetic-gate-lock-manufacturer-in-euro/): If your project specifically requires an outdoor magnetic gate lock, send us the gate type, required holding force, environmental requirements, mounting details, and target market. Our team can confirm whether an existing model fits the application or whether the project requires a customized solution.
- [Top 10 Commercial Magnetic Door Lock Companies and Wholesale Suppliers in the Middle East](https://www.oubao.com/blog/market-insight/top-magnetic-door-lock-manufacturer-middle-east/): Some of the leading magnetic door lock suppliers serving the Middle East include OUBAO, ASSA ABLOY, and ZKTeco. You can order these products directly from manufacturers or source locally via regional distributors for custom projects. OUBAO facilitates Middle East buyers seeking to place OEM and bulk orders, offering magnetic locks with holding forces ranging from 180 kg to 700 kg.
- [Top 10 Commercial Magnetic Door Lock Manufacturers and Suppliers in China](https://www.oubao.com/blog/market-insight/top-commercial-magnetic-door-lock-manufacturers-china/): China has several established magnetic lock manufacturers, including OUBAO, YLI Electronic, and Junson Security. OUBAO stands out for its vertically integrated production, with die-casting, CNC machining, assembly, and testing handled at its 106,000 m² manufacturing base. It also operates a CNAS-accredited laboratory and has annual capacity for 2 million magnetic lock sets.
- [Electromagnetic Door Locks: Magnetic vs Electric Strikes](https://www.oubao.com/blog/selection-guide/electric-magnetic-door-lock-vs-electric-strike/): There’s no single best electric magnetic door lock for each entrance. Beginning with the door itself and then considering access controls, security, and what should happen during a power failure is how you choose the right type for your project.
- [What Are the Disadvantages of Magnetic Door Locks?](https://www.oubao.com/blog/basic/door-locks-magnetic-lock-disadvantages/): So don't choose a lock from its holding force alone. When comparing door locks magnetic lock options, check the mounting setup before you order. A 500 kg lock isn't much help if it doesn't fit the door you're working with.
- [How Do Magnetic Locks Work? A Beginner’s Guide for 2026](https://www.oubao.com/blog/basic/how-access-control-magnetic-door-lock-works/): The part that physically holds the door shut is the access control magnetic door lock. This lock usually works alongside a controller, reader or keypad, and a power supply, and has some way to release the door.
- [How to Install and Unlock a Magnetic Door Lock?](https://www.oubao.com/blog/basic/access-control-magnetic-lock-installation/): Your door may need additional mounting hardware. OUBAO's catalog includes L and Z brackets for several magnetic lock sizes. If you have an access control magnetic lock manual for your model, follow its measurements and wiring instructions rather than using a diagram for a similar lock.
- [What Is the Best Brand of Magnetic Locks?](https://www.oubao.com/blog/selection-guide/best-door-locks-magnetic-lock-brand/): Search results for door locks magnetic lock products can cover everything from smaller interior locks to much stronger commercial models. Holding force is one of the first specifications to check because it tells you how much force the magnet can resist when the lock and armature plate are properly aligned.
- [ANSI/BHMA A156.4: Grade 1 vs Grade 2 Door Closers Guide](https://www.oubao.com/blog/selection-guide/ansi-door-closer-grade-1-vs-2/): An ANSI door closer isn't a single product, it's any closer built and tested to meet A156.4's requirements. The right spring size and arm style still depend on the specific door.
- [Do Commercial Doors Need Door Closers?](https://www.oubao.com/blog/basic/do-commercial-doors-need-door-closers/): A door that doesn't close properly lets conditioned air leak out constantly, which shows up directly on the utility bill. A commercial door closer keeps that seal tight without anyone needing to remember to shut the door behind them.
- [What Are Overhead Concealed Door Closers?](https://www.oubao.com/blog/basic/what-are-concealed-door-closer-black/): Some projects call for a concealed door closer black finish so the hardware disappears into dark framing instead of standing out against it. A darker finish doesn't cost you closing power, since the finish is cosmetic and has no bearing on the internal hydraulics.
- [Installing Concealed Door Closers: Tips and Best Practices](https://www.oubao.com/blog/basic/concealed-door-closer-installation-tips/): A concealed door closer installation means routing a precise pocket into the door leaf or frame header using the manufacturer's template, then lining up the hardware pivot exactly with the hinge. Get that alignment right and the hydraulic arm won't bind once the door swings. 
- [What Is the Delay Time Adjustment on a Delayed Action Door Closer?](https://www.oubao.com/blog/basic/what-is-delay-action-door-closer/): Anyone pushing a cart, carrying supplies, or moving slower through a doorway knows how fast a standard door can shut. A delay action door closer solves that by holding the door open for a set period before the normal closing motion takes over. That pause usually runs from full open down to around 70 or 75 degrees. Once the delay period ends, the regular sweep and latch speeds pick up and finish closing the door as usual.
- [How to Adjust a Standard Door Closer in 6 Steps](https://www.oubao.com/blog/basic/door-closer-adjustment-steps/): A quick door closer adjustment diagram helps here, since the valve positions vary slightly by manufacturer but usually follow this layout.
- [What Is the Best Door Closer for an Aluminum Storefront Door?](https://www.oubao.com/blog/basic/best-door-closer-for-aluminum-doors/): The best door closer for aluminum doors used in commercial storefront applications is a Grade 1 certified overhead hydraulic model with a narrow footprint. It needs to fit standard 1-3/4 inch framing stiles, meet ADA accessibility standards, and hold up over millions of public operational cycles.
- [8 Types of Aluminium Door Closers Explained](https://www.oubao.com/blog/basic/types-of-door-closer-for-aluminum-doors/): The best door closer for aluminum doors depends on your architectural style, frame thickness, and expected foot traffic. Choosing a certified system means better long-term durability, smoother hydraulic control, and full compliance with local accessibility codes.
- [How Are Door Closers Graded?](https://www.oubao.com/blog/basic/ul-listed-door-closer-grading/): This guide covers what ANSI/BHMA A156.4 grading actually means, which grade belongs on which door, and why a UL listed door closer is non-negotiable the moment a fire-rated opening is involved.
- [Replacing The Closer On Full-Lite Self-Storing Storm Doors](https://www.oubao.com/blog/basic/replacing-storm-door-closer-full-lite/): A full-lite storm door acts exactly like a sail in the wind. When the hydraulic or pneumatic closing mechanism loses its calibration, that heavy glass pane transfers every gust directly into the door frame and hinges — accelerating wear with every cycle. Storm door closer replacement on a full-lite door is a mechanical necessity, not a cosmetic fix. Structural integrity at the entrance depends on consistent closing force and controlled deceleration at every point in the closing arc.
- [What Is The Difference Between A Door Closer And A Hydraulic Door Closer?](https://www.oubao.com/blog/basic/door-closer-vs-hydraulic-door-closer/): A door closer is the general category; a hydraulic door closer is the specific type built for modern buildings. The hardware you choose determines whether a door works smoothly for years or breaks down quickly. Knowing how these devices work is the key to keeping them reliable in busy spaces.
- [Fire Rated Door Hardware Closer: Types & Selection Guide](https://www.oubao.com/blog/selection-guide/fire-rated-door-closer-selection-guide/): A fire rated door closer ensures that:
- [Top 10 Automatic Door Closer Companies and Wholesale in the Middle East](https://www.oubao.com/blog/market-insight/top-middle-east-door-closer-wholesale/): The gulf construction is not slowing down. Saudi Arabia's Vision 2030 pipeline and UAE mega-developments are adding millions of square meters of commercial space every year, and every door in those buildings needs hardware that works reliably at 50°C and above. For procurement teams and distributors, that means choosing an automatic door closer manufacturer whose hydraulic systems do not drift, drip, or fail when the desert sun hits.
- [Hold-Open vs Non-Hold-Open Door Closers](https://www.oubao.com/blog/basic/hold-open-vs-non-hold-open-door-closers/): When outfitting a commercial building, the door closer matters as much as the door itself. The right unit regulates traffic flow, reinforces security, and reduces long-term wear on frames and hardware. Two options dominate commercial specifications: hold-open and non-hold-open door closers. Understanding the mechanical difference between them determines whether your facility runs smoothly — or fails inspection.
- [Top 10 Commercial Door Closer Manufacturers in China for Global Projects](https://www.oubao.com/blog/market-insight/top-10-commercial-door-closer-manufacturers-china/): Specifying door control hardware for a hospital, hotel, or high-traffic commercial facility is not a decision you revisit easily. A closer that loses hydraulic integrity during a fire event is not a maintenance problem — it is a liability.
- [Top 10 Professional Automatic Door Closer Companies and Wholesale in the Euro Market 2026](https://www.oubao.com/blog/market-insight/top-10-automatic-door-closer-manufacturers-europe/): European commercial construction sets a high bar for door hardware. Every fire-exit route, every hospital corridor, every heritage retrofit carries a legal obligation — EN 1154 compliance, CE certification, and for UK and Scandinavian projects, Warringtonfire Certifire approval. Specifiers do not have the latitude to choose convenience over certification, and procurement teams sourcing at scale cannot afford a supplier whose lead times drift by weeks.

## Pages
- [Electric Bolt Lock Manufacturer](https://www.oubao.com/electric-bolt-lock-manufacturer/)
- [Magnetic Lock Manufacturer](https://www.oubao.com/magnetic-lock-manufacturer/)
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## Products
- [OB750 Series – 750kg(1600lbs) Magnetic Lock](https://www.oubao.com/product/ob750-series/): The OUBAO OB750 Series magnetic lock is our high-security electromagnetic locking solution, delivering 750kg (1600lbs) of holding force — engineered for demanding applications where maximum retention strength and uncompromising reliability are critical. Built with a rugged high-strength aluminum alloy housing and a precision-machined heavy-duty armature plate, this lock generates powerful magnetic adhesion when energized, ensuring formidable door securing across high-traffic, high-risk entry points without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. With no residual magnetism and silent operation, the OB750 is optimized for continuous-duty environments where both security and user experience matter. Internationally Certified for Diverse Markets — The OB750 meets rigorous global standards， Carries the CE mark confirming European safety and performance conformity; A field-proven, regulation-ready solution for commercial deployments spanning multiple jurisdictions worldwide.
- [OB-SK25 Electric Strike Lock](https://www.oubao.com/product/ob-sk25/): The OB-SK25 compact electric strike lock is designed for access control systems, featuring a durable stainless steel faceplate and black housing. It enables reliable remote unlocking, supporting both fail-safe and fail-secure modes. Ideal for commercial and residential doors, it ensures seamless integration with various access control devices.
- [OB-SK24 L-shaped Electric Strike Lock](https://www.oubao.com/product/ob-sk24/): The OB-SK24 electric strike lock features an L-shaped design for flexible installation, ideal for narrow-profile doors. Constructed with durable metal, it enables reliable remote unlocking in access control systems. Suitable for both commercial and residential applications, it supports fail-safe/fail-secure modes for enhanced security.
- [OB-SK23C Long-Frame Electric Strike Lock](https://www.oubao.com/product/ob-sk23c/): The OB-SK23C extended electric strike lock is designed for compatibility with narrow and specialty doors in access control systems. It features a durable stainless steel construction, enabling reliable remote unlocking. Ideal for commercial and residential applications, it supports fail-secure mode, ensuring seamless integration with access control devices.
- [OB-SK23 Long-Frame Electric Strike Lock](https://www.oubao.com/product/ob-sk23/): The OB-SK23 extended electric strike lock features a long stainless steel faceplate, designed for compatibility with narrow-profile or specialty doors. It enables reliable remote unlocking in access control systems, supporting both fail-safe and fail-secure modes. Ideal for commercial and residential applications where standard strikes won’t fit, it ensures seamless integration and dependable security.
- [OB-SK22 Long-Plate Electric Strike Lock](https://www.oubao.com/product/ob-sk22/): The OB-SK22 electric strike lock features an extended stainless steel faceplate, designed for compatibility with various door latches. It enables remote unlocking in access control systems, supporting both fail-safe and fail-secure modes. Ideal for commercial and residential doors, it ensures reliable security and seamless integration.
- [OB-SK21 Electric Strike Lock](https://www.oubao.com/product/ob-sk21/): The OB-SK21 electric strike lock is designed for access control systems, featuring a durable stainless steel faceplate and black housing. It works with standard door latches to enable remote unlocking, supporting both fail-safe and fail-secure modes. Ideal for commercial and residential doors, it ensures reliable security and seamless integration with access control devices.
- [OB-SK20 Electric Strike Lock](https://www.oubao.com/product/ob-sk20/): The OB-SK20 electric strike lock is designed for access control systems. Constructed from durable stainless steel, it works with standard door latches to enable remote unlocking. Ideal for commercial and residential applications, it supports fail-safe/fail-secure modes and integrates seamlessly with access control devices.
- [OB13 – Electric Bolt Lock](https://www.oubao.com/product/ob13/): The OUBAO OB13 fail-secure electric bolt lock is designed for access control systems. It remains locked during power outages, ensuring door security at all times. With a durable stainless steel construction and key override function, it offers reliable performance for commercial and residential applications.
- [OB18 – Electric Bolt Lock](https://www.oubao.com/product/ob18/): The OUBAO OB18 electric bolt lock is designed for access control systems. With a durable stainless steel faceplate and reliable performance, it ensures secure locking/unlocking for various door types. Ideal for commercial and residential applications, it supports fail-safe/fail-secure operation and integrates seamlessly with access control devices.
- [OB10/OB12 – Electric Bolt Lock](https://www.oubao.com/product/ob10-ob12/): The OUBAO OB10/OB12 durable electric bolt lock is designed for access control systems, featuring a stainless steel body and reliable fail-safe operation. It provides secure door locking/unlocking with low power consumption, suitable for glass doors, wooden doors, and metal doors in offices, apartments, and commercial buildings.
- [DK380 – Push Bar Panic Exit Device](https://www.oubao.com/product/dk380/): The OUBAO DK380 panic bar is designed for commercial doors, operating with a mortise lock mechanism. It enables fast, hands-free emergency evacuation with a single push, while the integrated mortise lock provides reliable security. Ideal for high-traffic buildings, it meets safety codes and offers durable performance.
- [DK350 – Push Bar Panic Exit Device](https://www.oubao.com/product/dk350/): The OUBAO DK350 1-point crossbar panic bar is designed for commercial emergency doors. With a single push, it enables quick, hands-free evacuation while maintaining reliable security. Its durable stainless steel construction ensures long-lasting performance in high-traffic environments, meeting safety code requirements for schools, offices, and public buildings.
- [332P/332S – Vertical Cross Bar Exit Device](https://www.oubao.com/product/332p-332s/): The OUBAO 332P/332S commercial-grade vertical rod panic bar is designed for double or wide doors. With a single push, it simultaneously releases both top and bottom latches for fast, hands-free emergency evacuation. Compliant with safety codes, it offers reliable security and corrosion-resistant performance for schools, hospitals, and public buildings.
- [331P/331S – Horizontal Cross Bar Exit Device](https://www.oubao.com/product/331p-331s/): The OUBAO 331P/331S commercial-grade panic bar is designed for reliable emergency egress. It enables fast, hands-free evacuation with a single push, while its durable build ensures long-lasting performance in high-traffic commercial buildings. Compliant with safety codes, it balances security and accessibility for schools, offices, and public facilities.
- [1320P/1320S – Vertical Rod Panic Exit Device](https://www.oubao.com/product/1320p-1320s/): The OUBAO 1320P/1320S commercial-grade panic bar is designed for double or wide doors. With a single push, it releases both top and bottom latches simultaneously for fast, hands-free emergency evacuation. Ideal for schools, hospitals, and public buildings, it meets safety codes while ensuring reliable egress and security.
- [1310P/1310S – Horizontal Cross Bar Exit Device](https://www.oubao.com/product/1310p-1310s/): The OUBAO 1310P/1310S commercial-grade crossbar push bar is designed for quick, hands-free emergency egress. With a single push, it unlocks the door instantly for safe evacuation. Ideal for schools, offices, and public buildings, it meets safety codes while offering reliable performance.
- [1120/1120S – Cross type Vertical Panic Exit Device](https://www.oubao.com/product/1120-1120s/): The OUBAO 1120/1120S commercial-grade vertical rod panic bar is designed for double or wide doors, delivering reliable emergency egress. With a single push, it simultaneously releases both top and bottom latches for fast, hands-free evacuation. Ideal for schools, hospitals, and public buildings, it meets safety codes while maintaining a clean, low-profile appearance.
- [1110/1110S – Horizontal Cross Bar Exit Device](https://www.oubao.com/product/1110-1110s/): The OUBAO 1110/1110S commercial-grade crossbar push bar is designed for emergency exit doors, enabling fast, hands-free evacuation with a simple push. Ideal for schools, offices, and public buildings, it meets safety standards while offering durable, reliable performance for daily use.
- [UL500P/UL500S – Panic Exit Device with Dogging Hole Function](https://www.oubao.com/product/ul500p-ul500s/): The OUBAO UL500P/UL500S commercial-grade push bar exit device is designed for fire-rated and high-traffic doors. It enables quick, hands-free evacuation with a single push, while the built-in dogging function allows the latch to be temporarily held open for easy building access. Compliant with safety codes, it balances reliable security and convenient daily use.
- [1720S/1720P – Two Points Locking Vertical Type Panic Bar](https://www.oubao.com/product/1720s-1720p/): The OUBAO 1720S/1720P commercial-grade vertical rod panic bar is designed for double doors, providing reliable emergency egress in schools, hospitals, and public buildings. With a single push, it releases both latches simultaneously for fast, hands-free evacuation. Compliant with safety codes, it ensures emergency exits remain accessible while maintaining building security.
- [1710S/1710P – Horizontal Touch Bar Exit Device](https://www.oubao.com/product/1710s-1710p/): The OUBAO 1710S/1710P commercial-grade push bar exit device is designed for fire-rated and high-traffic doors in schools, offices, and public buildings. It enables quick, hands-free evacuation with a single push. Compliant with safety codes, it provides reliable security while ensuring emergency exits remain easily accessible.
- [D215 – Automatic Swing Door Operator](https://www.oubao.com/product/d215/): The OUBAO D215 Automatic Swing Door Operator is a high-performance, motorized door control solution designed for commercial, public, and institutional environments. Built on decades of OUBAO’s expertise in door hardware, this compact, reliable operator automates opening and closing of single swing doors, offering seamless integration with access control systems, safety sensors, and smart building infrastructure. It delivers quiet, smooth operation, advanced safety features, and flexible configuration to meet the needs of offices, hospitals, retail spaces, and accessible facilities.
- [D213 – Automatic Swing Door Operator](https://www.oubao.com/product/d213/): The OUBAO D213 Automatic Swing Door Operator is a high-performance, motorized door control solution designed for commercial, public, and institutional environments. Built on decades of OUBAO’s expertise in door hardware, this compact, reliable operator automates opening and closing of single swing doors, offering seamless integration with access control systems, safety sensors, and smart building infrastructure. It delivers quiet, smooth operation, advanced safety features, and flexible configuration to meet the needs of offices, hospitals, retail spaces, and accessible facilities.
- [OB-F705 Face Recognition Access Controller](https://www.oubao.com/product/ob-f705/): The OB-F705 is a high-performance touchless biometric access control and time attendance terminal, designed for modern offices, commercial buildings, residential complexes, and institutional facilities. Combining advanced dual-camera facial recognition technology with a built-in RFID card reader, this sleek wall-mounted device delivers fast, hygienic, and reliable identity verification. It supports seamless integration with standard access control systems and attendance management software, making it an ideal solution for secure, contactless entry and workforce tracking.
- [OB-F701 Intelligent Fingerprint Access Controller](https://www.oubao.com/product/ob-f701/): The OB-F701 is a compact, high-performance standalone access control terminal designed for both indoor and outdoor applications. Combining a precision fingerprint sensor, scratch-resistant touch keypad, and RFID card reader in a sleek, vandal-proof aluminum housing, this device offers flexible, secure access management for offices, apartments, residential gates, and small commercial spaces. It supports multiple authentication methods and is fully compatible with standard access control systems, making it an ideal solution for both new installations and retrofits.
- [OB-K32TF Intelligent Fingerprint Access Controller](https://www.oubao.com/product/ob-k32tf/): The OB-K32TF is a high-performance, IP-rated multi-functional access control terminal, engineered for both indoor and outdoor use. Built on the industry-leading TTLOCK smart ecosystem, this compact, all-metal device combines biometric fingerprint recognition, touch keypad access, and mobile Bluetooth control into one sleek, vandal-resistant unit. Designed for commercial buildings, residential complexes, and smart apartments, it delivers reliable security, convenient access management, and seamless integration with modern smart building workflows.
- [OB-K36 Touch Button Control Machine](https://www.oubao.com/product/ob-k36/): The OB-K36 Touch Button Control Machine is a sleek, modern all-in-one solution for secure entry management, designed for commercial, residential, and light industrial applications. Featuring a premium glass touch panel and intuitive backlit interface, this unit combines RFID card reading and PIN code entry for flexible, reliable access control.
- [OB-K33 Single Door Access Control Machine](https://www.oubao.com/product/ob-k33/): The OB-K33 Single Door Access Control Machine is a compact, all-in-one access solution designed to secure single-door entry points for commercial, residential, and light industrial applications. Combining RFID card reading and PIN code entry in a sleek, vandal-resistant housing, this unit provides reliable, flexible access management with minimal setup.
- [OB-K31 Metal Standalone Access Controller](https://www.oubao.com/product/ob-k31/): The OB-K31 Metal Standalone Access Controller is a rugged, all-in-one solution designed to secure entry points for commercial, residential, and industrial applications. Built with a durable metal housing, this weatherproof unit offers reliable performance in both indoor and outdoor environments, combining keypad PIN entry and optional card reader functionality for flexible access management.
- [T90/T30 Cam Door Closer with Hold-Open Option](https://www.oubao.com/product/t90-t30-cam-door-closer/): The OUBAO T90/T30 Series cam door closer adopts the core heart-shaped cam and roller driving structure, which replaces the traditional gear and rack transmission design. It delivers an excellent comprehensive performance featuring light opening operation, steady closing movement, and powerful final latching. Suitable for high-end commercial buildings, hotels, office buildings and public facilities, this door closer complies with EN1154 European standard and fire protection certification, serving as the preferred hardware accessory for modern door control systems.   Technical Closing Force：2-4 or 3-4 Applicable Door Weight：20 kg - 80 kg or 40 kg - 80 kg Applicable Door Width：≤ 1100 mm Cam-driven Door Closer
- [T96 Concealed Cam Door Closer, UL Certified](https://www.oubao.com/product/t96-concealed-cam-door-closer/): The OUBAO T96 Series is a cam-driven concealed door closer. The entire unit is fully embedded inside the door leaf and door frame and completely hidden when the door is closed. It does not damage the door finish or compromise the interior design style, making it the preferred door control hardware for high-end hotels, office buildings, luxury residences and public spaces. Adopting a core heart-shaped cam and roller transmission technology, it features light opening operation and strong latching force, balancing low opening effort and powerful closing performance. Certified with UL standards, it delivers stable and reliable long-term quality.   Technical Closing Force：2-4 Applicable Door Weight：25 kg - 85 kg Applicable Door Width：≤ 1100 mm Cam-driven Door Closer
- [OB50 Series – Magnetic Lock for Cabinet](https://www.oubao.com/product/ob50-series/): The OUBAO OB50 Series magnetic lock is our miniature electromagnetic locking solution, delivering low weight of holding force — purpose-engineered for cabinet, display case, and enclosed fixture applications where discreet security and compact form factor are paramount. Built with a miniaturized aluminum alloy housing and a precision-machined micro armature plate, this lock generates secure magnetic adhesion when energized, ensuring reliable protection for valuable contents without any mechanical wear or audible operation. Its fail-safe design automatically releases upon power failure, permitting immediate access in emergency situations. With an ultra-compact profile and featherlight construction, the OB50 installs seamlessly into narrow door frames, glass display cases, wooden cabinets, and retail fixtures where conventional locks are impractical. Power consumption is minimal at merely 100mA @ 12VDC, enabling continuous operation without thermal burden — ideal for museums, retail showrooms, jewelry counters, server racks, and pharmaceutical storage.
- [OB180 Series – 180kg(400lbs) Magnetic Lock](https://www.oubao.com/product/ob180-series/): The OUBAO OB180 Series magnetic lock is our compact-duty electromagnetic locking solution, delivering 180kg (400lbs) of holding force — purpose-built for light commercial and residential applications where space efficiency, low power consumption, and cost-effective security are essential. Engineered with a compact anodized aluminum housing and a precision-machined armature plate, this lock generates reliable magnetic adhesion when energized, providing dependable door securing for standard interior doors without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. Broadly Certified for Global Accessibility — The OB180 carries UL Listing from Underwriters Laboratories for access control system units and burglary-resistant electric locking devices; displays the CE mark for European market conformity; satisfies FCC electromagnetic compatibility requirements in North America; and meets both RoHS and REACH environmental standards, ensuring the exclusion of restricted hazardous substances and full chemical safety compliance. A practical, regulation-ready solution for commercial and residential installations across international markets.
- [OB700 Series – 700kg(1500lbs) Magnetic Lock](https://www.oubao.com/product/ob700-series/): The OUBAO OB700 Series magnetic lock is our high-security electromagnetic locking solution, delivering 700kg (1500lbs) of holding force — engineered for demanding applications where maximum retention strength and uncompromising reliability are critical. Built with a rugged high-strength aluminum alloy housing and a precision-machined heavy-duty armature plate, this lock generates powerful magnetic adhesion when energized, ensuring formidable door securing across high-traffic, high-risk entry points without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. With no residual magnetism and silent operation, the OB700 is optimized for continuous-duty environments where both security and user experience matter.
- [OB500 Series – 500kg(1200lbs) Magnetic Lock](https://www.oubao.com/product/ob500-series/): The OUBAO OB500 Series magnetic lock is our heavy-duty electromagnetic locking solution, delivering 500kg (1200lbs) of holding force — engineered for medium-to-high security applications where superior retention strength and long-term reliability are paramount. Built with a reinforced high-strength aluminum alloy housing and a heavy-duty precision-machined armature plate, this lock generates substantial magnetic adhesion when energized, ensuring robust door securing across high-traffic and demanding entry points without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. Internationally Certified for Diverse Markets — The OB500 meets rigorous global standards with UL Listing from Underwriters Laboratories for access control system units and burglary-resistant electric locking devices; carries the CE mark confirming European safety and performance conformity; complies with FCC electromagnetic emission requirements for North America; and adheres to RoHS and REACH environmental directives, ensuring the exclusion of hazardous substances and full chemical safety compliance. A field-proven, regulation-ready solution for commercial deployments spanning multiple jurisdictions worldwide.
- [OB350 Series – 350kg(800lbs) Magnetic Lock](https://www.oubao.com/product/ob350-series/): The OUBAO OB350 Series magnetic lock is our enhanced-duty electromagnetic locking solution, delivering 350kg (800lbs) of holding force — engineered for applications demanding greater security strength while maintaining operational efficiency in dynamic commercial environments. Built with a reinforced high-grade aluminum housing and a heavy-duty precision-machined armature plate, this lock generates substantial magnetic adhesion when energized, ensuring robust door securing across high-traffic entry points without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. Globally Certified, Market-Ready — The OB350 carries UL Listing from Underwriters Laboratories for access control system units and burglary-resistant electric locking devices; bears the CE mark for full European conformity; meets FCC standards governing electromagnetic emissions in North America; and satisfies both RoHS and REACH directives, guaranteeing the absence of restricted hazardous substances and complete adherence to chemical safety protocols. A proven, compliance-assured solution for commercial deployments across diverse regulatory landscapes worldwide.
- [CK280 Series – 280kg(600lbs) Magnetic Lock](https://www.oubao.com/product/ck280-series/): The OUBAO CK280 Series magnetic lock is our budget-friendly electromagnetic locking solution, delivering 280kg (600lbs) of holding force for cost-conscious commercial and residential applications. Engineered with a silicon steel lamination core for improved magnetic efficiency and reduced energy consumption, this lock generates reliable magnetic adhesion when energized, ensuring dependable door securing without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. CE, FCC, RoHS & REACH Compliant — Certified for the European and North American markets, the CK280 meets EU safety, electromagnetic compatibility, and environmental standards, as well as US FCC regulations. Free from hazardous substances and fully compliant with chemical safety requirements, this lock is a responsible, economical choice for global projects where certified compliance is essential.
- [OB280 Series – 280kg(600lb) Magnetic Lock](https://www.oubao.com/product/ob280-series/): The OUBAO OB280 Series magnetic Lock is our standard-duty magnetic locking solution, delivering 280kg (600lbs) of holding force — the ideal balance of security strength and operational efficiency for everyday commercial applications. Engineered with a high-grade aluminum housing and a precision-machined armature plate, this lock generates powerful magnetic adhesion when energized, ensuring reliable door securing without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes. Multi-Certified for Global Markets — UL Listed by Underwriters Laboratories for access control system units and burglary-resistant electric locking devices; CE marked for European conformity; FCC compliant for electromagnetic interference standards in North America; RoHS and REACH certified, ensuring freedom from hazardous substances and full chemical safety compliance. The OB280 is a trusted, regulation-ready choice for commercial installations worldwide.
- [OB03 Heavy-Duty Cast Iron Door Closer](https://www.oubao.com/product/ob03-heavy-duty-cast-iron-door-closer/): The OUBAO OB03 Series is a heavy-duty surface-mounted door closer featuring an American-style design and cast iron cylinder, purpose-built for high-traffic commercial environments. It integrates outstanding durability, precise closing control, and cost efficiency, making it an ideal choice for heavy-duty doors in schools, hospitals, supermarkets, office buildings, and even high-end residential properties. This series boasts authoritative certifications and superior performance, backed by ANSI A156.4 Grade 1 certification and UL/cUL 3-hour fire ratings, while fully complying with ADA accessibility standards. It is equipped with anti-loosening locking control valves and supports an optional delay action function. The spring force can be adjusted on-site from Size 1 to Size 6 without disassembly, supporting doors up to 330 lbs (approx. 150kg).   Technical Closing Force：EN 1-6 or 8 Applicable Door Weight：15kg-150kg or 150kg-220kg Applicable Door Width：750mm-1400mm or ≥ 1400mm
- [9016 Adjustable Power Multi-Function Door Closer](https://www.oubao.com/product/9016-adjustable-power-door-closer/): The OUBAO 9016 Series door closer features American-style design and heavy-duty construction, engineered for reliable, consistent performance in commercial door applications. Built with exceptional quality, it offers a robust structure, precise hydraulic control, and smooth, stable closing, making it suitable for high-traffic commercial doors as well as premium residential doors requiring heavy-duty performance. UL certified and compliant with ANSI 156.4 Grade 1 standards, this door closer supports easy installation and fine adjustment of closing speed and force. It includes an adjustable back check to prevent over-swinging, with optional delay action available for specific needs. It also supports Barrier Free (ADA) functionality for enhanced accessibility.   Technical Closing Force：EN 1-6 Body Dimensions：302(11-7/8") mm (L) * 51(2") mm (W) *  61(2-13/32") mm (H) Footprint：283.5(11-3/16") mm × (14.3(9/16")&14.3(9/16")) mm
- [9000 Series Adjustable Power Door Closer](https://www.oubao.com/product/9000-adjustable-power-door-closer/): The OUBAO 9000 Series door closer is a popular door closer style in both the United States and Europe, engineered to deliver premium and consistent performance. It boasts a rugged construction, precise hydraulic control, and exceptionally smooth door closing action, making it ideal for a wide range of standard interior and exterior doors in residential, light commercial buildings, as well as various engineering needs. This series comes standard with BACK CHECK and DELAY ACTION functions, which effectively prevent excessive door swing and meet specific usage scenario requirements. Among this series, the 9024 model has obtained Warringtonfire Certifire certification, and it is a best-selling product of OUBAO, perfectly adapting to various engineering needs. The 9000 Series also holds CE certification.
- [7016 Series Adjustable Power Door Closer](https://www.oubao.com/product/7016-adjustable-power-door-closer/): The OUBAO 7016 Series door closer is built to deliver premium and consistent performance with its America Style Designed and heavy-duty construction, specifically engineered for commercial doors. It maintains exceptional high quality, features rugged heavy-duty construction, precise hydraulic control, and exceptionally smooth and stable closing action. This makes it perfectly suitable for high-demand commercial doors, while also being adaptable to some high-end residential doors that require heavy-duty performance. This series holds UL certification, complies with ANSI 156.4 Grade 1 standards, and is expertly designed for straightforward installation and precise speed and closing force adjustment. Equipped with an adjustable BACK CHECK function to prevent excessive door swing and an optional DELAY ACTION function to meet specific usage scenarios, it also supports Barrier Free (ADA) functionality to ensure accessibility for all groups.   Technical Closing Force：EN 1-6 Body Dimensions：325(12-3/4") mm (L) * 47(1-7/8") mm (W) *  51.5(2-1/32") mm (H) Footprint：304.8(12") mm × 19(3/4") mm
- [5016 Series Classic Adjustable Power Door Closer](https://www.oubao.com/product/5016-classic-door-closer/): The OUBAO 5016 Series door closer is meticulously designed to deliver superior, consistent performance in various scenarios. Bearing great similarity to the 5000 Series, this door closer inherits the same reliable core configuration while boasting an enhanced key feature: a wider range of door closer power adjustment. Maintaining a sleek and timeless design, the 5016 Series features robust construction, accurate hydraulic control, and an extremely smooth door-closing motion. These characteristics make it a perfect fit for a broad spectrum of interior and exterior doors, suitable for residential, commercial, and heavy-duty building applications alike. Compliant with ANSI 156.4 Grade 1 standards and holding UL certification, the 5016 Series meets stringent safety and performance requirements for door hardware. It comes with a built-in Back Check function to prevent excessive door swing, and the Delay Action feature is available as an option to cater to specific usage needs. Additionally, it supports Barrier Free (ADA) functionality.   Technical Closing Force：EN 1-6 Body Dimensions：246(9-2/3") mm (L) * 44.5(1-3/4") mm (W) *  69.5(2-3/4") mm (H) Footprint：230(9-1/16") mm × 19(3/4") mm
- [5000 Series Classic Adjustable Power Door Closer](https://www.oubao.com/product/5000-classic-door-closer/): The OUBAO 5000 Series door closer is engineered to deliver premium and consistent performance. Retaining the classic appearance of the 500 Series, it features rugged construction, precise hydraulic control, and exceptionally smooth door closing action, making it ideal for a wide range of interior and exterior doors in residential, commercial and heavy-duty building applications. This series complies with ANSI 156.4 Grade 1 standards and carries UL certification. It is equipped with a built-in Back Check function, while Delay Action is available as an optional feature. The series also supports Barrier Free (ADA) functionality, ensuring accessibility compliance for diverse projects.   Technical Closing Force：EN 1-4 or 3-6 Body Dimensions：248(9-3/4") mm (L) * 44.5(1-3/4") mm (W) *  72(2-7/8") mm (H) Footprint：230(9-1/16") mm × 19(3/4") mm
- [3234 Series Round-back Design Door Closer](https://www.oubao.com/product/3234-round-back-door-closer/): The OUBAO 3234 Series door closer is meticulously engineered to deliver superior, consistent performance, boasting a distinctive round-back design that distinguishes it from traditional door closers on the market. Its sleek, curved profile not only elevates the visual harmony of any door installation but also optimizes structural integrity—utilizing the smooth, rounded contour to distribute stress evenly, enhance load-bearing efficiency, and prevent deformation over prolonged use, while upholding the same exceptional high quality as our other premium product lines. Certified by UL and CE, the 3234 Series is expertly designed for hassle-free installation and precise adjustment of closing speed and force. Every component undergoes rigorous quality control, from the corrosion-resistant round-back casing to the high-precision internal hydraulic mechanism. This strict quality assurance ensures a long service life and consistent performance, even under frequent, heavy-duty usage scenarios.   Technical Closing Force：EN 2-4 Body Dimensions：220 mm (L) * 52 mm (W) * 47 mm (H) Footprint：202 mm * 19 mm 
- [3303 Series Triangular Shape Door Closer](https://www.oubao.com/product/3303-triangular-door-closer/): The OUBAO 3303 Series door closer is engineered to deliver premium and consistent performance, featuring a unique triangular shape design that sets it apart from conventional door closers. This sleek, angular design not only enhances the aesthetic appeal of any door installation but also optimizes structural stability—leveraging the inherent strength of triangular geometry to ensure enhanced load-bearing capacity and resistance to deformation over time, while maintaining the same exceptional high quality as our other premium series. This series holds UL and CE certifications, and is expertly designed for straightforward installation and precise adjustment of closing speed and force. Every component is manufactured with strict quality control, from the corrosion-resistant trigonal housing to the high-precision internal hydraulic mechanism, ensuring long service life and consistent performance even under frequent, heavy-duty use.   Technical Closing Force：EN 2-4 Body Dimensions：220 mm (L) * 53.5 mm (W) * 46 mm (H) Footprint：202 mm * 19 mm 
- [700 Series Classic Door Closer, UL & CE Certified](https://www.oubao.com/product/700-series-classic-door-closer/): The OUBAO 700 Series door closer is built to deliver premium and consistent performance. Boasting a distinctive appearance different from the 600 Series while maintaining the same exceptional high quality, it features rugged construction, precise hydraulic control, and exceptionally smooth and stable closing action. This makes it perfectly suitable for both commercial doors and residential doors. This series holds UL and CE certifications, and is expertly designed for straightforward installation and precise speed and closing force adjustment. Every component is manufactured with strict quality control to ensure long service life and consistent performance under frequent use. Combining reliable quality, outstanding durability and smooth operation, it is ideally suited for high-standard projects and professional application requirements.  
- [600 Series Budget Door Closer, UL & CE Certified](https://www.oubao.com/product/600-series-budget-door-closer/): The OUBAO 600 Series door closer is engineered to deliver reliable and consistent performance. It features a robust structure, precise hydraulic control, and smooth closing action, making it suitable for most standard interior and exterior doors in residential and light commercial buildings. This series holds UL and CE certifications, offers easy installation and precise speed adjustment, and ensures stable, long-lasting daily operation. The 603 model in this range is specially certified with Warringtonfire Certifire, further enhancing its application reliability. With dependable quality and strong durability, the 600 Series is an ideal choice for high-standard projects and various professional applications.
- [500BC Series Door Closer, Built-in Back Check, UL & CE](https://www.oubao.com/product/500bc-series-door-closer/): The OUBAO 500BC Series door closer is designed to provide high-quality and stable performance. As a derivative of the 500 Series, it comes with a built-in BACK CHECK function. With a solid structure, accurate hydraulic control, and extremely smooth closing action, it is suitable for most standard interior and exterior doors in residential and light commercial buildings. This series has obtained UL and CE certifications, and is easy to install and allows precise speed adjustment, ensuring stable and long-lasting daily use. Featuring reliable quality and excellent durability, the 500BC Series is well suited for high-standard projects and professional applications.