
High-Strength Fasteners, Engineered to Standard
ISO · DIN · ASTM nuts, bolts and threaded rods from M6 to M64. 8,000 t annual capacity, salt-spray tested, delivered to 40+ countries.
Tiphoon Metal Product Catalogue
Haiwei Fastener manufactures high-strength nuts, bolts and threaded rods at a 15,000 m² plant in Ningbo, 40 minutes from Ningbo-Zhoushan port. Founded in 2008, we run 32 cold-forging and thread-rolling lines with an annual capacity of 8,000 tons, producing to ISO, DIN, ASTM, GB and EN standards in property classes 8 to 12.9. Every batch ships with mill certificates and full dimensional inspection reports. Our fasteners are used in structural steel, rail, wind power and machinery projects across 40+ countries in Europe, the Americas, the Middle East and Southeast Asia.
Why Choose Us
Traceable Material
Every batch links back to a mill certificate — steel grade, heat number, mechanical properties.
100% Final Inspection
Thread gauges, hardness and torque coefficient tested; reports shipped with the goods.
40+ Countries Served
18 years of export packing, documents and port logistics — 40 minutes from Ningbo port.
OEM to Drawing
Non-standard fasteners quoted from your drawing within 48 hours.








