40+ Years of Door Control Expertise
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Door Closers
Zero-leakage hydraulic technology with 0.0lmm precision pistons,maintaining stable closing in extreme -40°C environments.
Magnetic Locks
DT4-C pure iron construction with 1.5x standard holding force, ensuring anti-deformation security and 500kg+ fail-safe performance.
National & Industry Standards Drafting Organization
OUBAO Manufactures Hydraulic Door Closers for Fire Safety and Secure Closures
As a China top door closer manufacturer, OUBAO leads the way in door control innovation.
With 350+ employees and over 150 patents, we specialize in advanced OEM/ODM door control solutions backed by our robust R&D capability and 6S Quality Management system. By managing every step of production in-house—from die-casting to painting—we maintain strict control over quality and ensure faster delivery times, with a 35-day guarantee on all standard orders.
Trusted by global commercial and residential projects, our professional team ensures traceable quality and on-time delivery, making it easier for you to meet tight deadlines while relying on secure and fire-rated door closers and magnetic locks.
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Why Choose Us
Your Trusted Partner in Door Control Hardware
Whether you’re requesting a automatic door closer factory quote, comparing magnetic lock supplier pricing, or sourcing bulk door control handware, we make it easy for you. From OEM costs and custom door closer services to certified global distribution, we help you streamline your RFQs, secure competitive pricing, and ensure fast production lead times.
Certified & Globally Compliant
Eliminate import risks with our ISO-certified factory and UL, CE, ANSI 156.4, UKCA, and Certifire compliant product lines, meeting the world’s strictest building codes.
Universal Compliance
Innovative Door Control Systems Built for High Traffic
Global Reach
Trusted by 80+ Countries with Innovative Door Control Solutions
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BLOGS & NEWS
Our Latest Updates and Information
Magnetic Lock Wiring Diagram: A Beginner’s Guide to Access Control Circuits
Quick Answer A basic magnetic lock wiring diagram connects a DC power supply to the maglock through an access-control relay. Because a conventional maglock is fail-safe, […]
Magnetic Lock for Glass Doors: Types, Brackets, and Installation Guide
Quick Answer A magnetic lock for glass door installation needs to match the door construction, mounting style, and required holding force. Framed glass doors can often […]
Shear Magnetic Locks Explained: What They Are and When to Use Them
Quick Answer A shear magnetic lock combines magnetic attraction with mechanical engagement to resist movement along the lock face. Its design makes concealed installation possible, with […]
Magnetic Door Lock Kit: What’s Included and How to Choose One
Quick Answer A magnetic door lock kit combines the hardware needed to secure and release a door electronically. At minimum, you’ll need a magnetic lock and […]
Hidden & Secret Door Magnetic Locks: Complete Buying Guide for Bookcase and Concealed Doors
Quick Answer: A hidden door magnetic lock is electromagnetic locking hardware installed so it doesn’t spoil the appearance of a concealed door. Depending on the opening, […]
Sliding Door Magnetic Locks: Compatible Types and Installation Tips
Quick Answer A sliding door magnetic lock can work when the mounting arrangement allows the magnet and armature to meet correctly once the door closes. Because […]
Magnetic Lock for Gates: Complete Buying & Installation Guide
Quick Answer A magnetic lock can secure an access-control gate, but choosing one requires looking beyond holding force. Check the gate type, mounting position, alignment, power […]
Fail-Safe vs. Fail-Secure Magnetic Locks: Which One Do You Need?
Quick Answer: Choose a fail-safe lock when the secure side needs to unlock if power is lost, and a fail-secure lock when the secure side needs […]
Top 10 Professional Magnetic Gate Lock Companies and Wholesale in Euro Market
Quick answer OUBAO, CDVI, and ASSA ABLOY are among the companies supplying magnetic locking hardware to the European market. Some of them specialize in ready-made outdoor […]
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