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Qiangqiang Technology -was established in 2010, located in Zhongshan, a famous hardware production base in China. We are one of the leading manufacturers of door hardware, glass fittings and furniture fittings. Our products include: Standard & Butterfly Hinge，Hydraulic & Concealed Hinge, Heavy-Duty & Commercial Hinge, Rust Resistant Hinge ,Specialty & Industrial Hinge, Stainless Steel Door Catch, Zinc Alloy Door Catch. With a total investment of more than 20 million yuan, our customers include importers from more than 80countries.Distributors, installers, building developers, architects and designers.
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Engineered with an integrated self-rising cam mechanism that lifts the door slightly during opening to prevent floor friction and carpet damage, without the use of ball bearings.
Engineered with a precision offset leaf design that allows for flexible installation on non-standard door frames and curved surfaces, accommodating complex architectural requirements.
Integrated hydraulic soft-close mechanism ensures silent, controlled door closing and prevents slamming for enhanced safety and user comfort.
Engineered with a precision 90° offset leaf design that enables flush mounting on door frames and cabinet corners without protrusion, ideal for space-constrained installations.
Innovative manufacturing process ensures near-perfect rolled edges
Robust "Flag" shape design with a square-edge structure, allowing the door to fully overlay the cabinet side panel.
Equipped with 2 steel bearings for smooth and quiet operation.
Design Classic butterfly shape with decorative cutouts; suitable for traditional and vintage styles.
Design Classic butterfly shape with decorative cutouts; suitable for traditional and vintage styles.
Plain hinge design without ball bearings for basic applications. Proprietary set-screw structure ensures hinge strength and prevents cap from falling off
The Fire-Rated Stainless Steel Bearing Hinge is a heavy-duty hinge fabricated from corrosion‑resistant stainless steel and fitted with precision ball bearings for smooth, low‑friction operation and long service life. Designed for use on fire- and smoke-rated doors and high-traffic openings, it provides durable, reliable performance when installed as part of a properly certified fire door assembly.
Contact Us
Tel: 0086-0760-22115526
Email: 438795514@qq.com
WhatsApp: +86 13630401845
Address: No.2, Building G32, Liexiyi-Guangfeng Industrial Zone, Xiaolan Town, Zhongshan City, Guangdong Province, China
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