With over 38 years of experience, Zhejiang Zhongrui Auto Parts is your reliable source for high-quality fasteners. Our production facilities and skilled team ensure that every product meets excellent standards.   We specialize in: High-strength Bolts & Nuts, manufactured with precision using mul...

1. Currently, the standard parts on the market mainly include carbon steel, stainless steel, and copper. (1) Carbon steel. We distinguish low carbon steel, medium carbon steel high carbon steel, and alloy steel by the content of carbon in carbon steel material. 1. Low carbon steel C%≤0.25% is usua...

The automotive industry is constantly evolving, with innovations in design, materials, and engineering techniques pushing the boundaries of what's possible.  One such innovation that has gained significant traction in recent years is the use of hexagon head flange screw bolts.  These specialized fas...

In the intricate and complex world of automotive engineering, it's easy to overlook the small but vital components that keep our vehicles running smoothly and safely.  Among these are the common automotive fasteners, the unsung heroes that play a crucial role in assembling and maintaining our cars, ...