40+ Years of Door Control Expertise
Explore Our Door Control Solutions
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
Countries Served
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Quality Warranty Support
BLOGS & NEWS
Our Latest Updates and Information
How to Choose the Right Door Closer for Commercial
A practical guide helping facility managers select certified door closers that improve durability and streamline installation.
How to Choose the Right Door Closer for Commercial
A practical guide helping facility managers select certified door closers that improve durability and streamline installation.
How to Choose the Right Door Closer for Commercial
A practical guide helping facility managers select certified door closers that improve durability and streamline installation.
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The Questions We Get Asked the Most
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