ABOUT US
Company Profile
Tendon Technology Metal: The ISO-Certified Source Manufacturer for Heavy-Duty Fasteners
Founded in 2019 and located in the heart of China’s fastener hub, Handan Qina Metal Products Co., Ltd. (operating globally as Tendon Technology Metal) is a premier ISO 9001:2015 and ISO 45001:2018 certified direct manufacturer. Operating from a state-of-the-art 7,700-square-meter facility, we boast a massive annual production capacity of 6,000 tons, completely bypassing middleman trading to offer you direct factory advantages.
We specialize in engineering high-strength ASTM A193 B7 stud bolts, DIN hex bolts, and custom marine-grade U-bolts for the most demanding environments. Powered by our advanced in-house testing laboratory and a 100% MES digital traceability system, we bridge the gap between world-class manufacturing precision and the rigorous safety demands of the global petrochemical, offshore oil, and heavy infrastructure sectors.
Our Advantages
Verified Source Factory
Established in 2019, our state-of-the-art 7,700m² facility boasts a massive 6,000-ton annual capacity for high-strength fasteners.
Global Engineering Trust
A trusted supplier for major offshore oil engineering companies, delivering reliable fastening solutions for the marine and petrochemical sectors.
7-Day Fast Dispatch
With 80% of our capacity dedicated to stock production, we guarantee a rapid 7-day fast global delivery for your urgent infrastructure projects.
ISO Certified Quality
Proudly ISO 9001:2015 and ISO 45001:2018 certified. We utilize in-house WAW-600D and HR-150A equipment for rigorous mechanical testing.
100% Digital Traceability
Our advanced MES digital system guarantees strict "One Order, One Code" Heat No. tracking, completely eliminating the risk of material mixing.
Precision OEM Customization
Fully equipped with CNC machinery and hydraulic presses, we expertly manufacture specialized U-bolts and custom fasteners to your exact drawings.
Our Factory
