multi-type multiple materials car fastener external hexagonal screw

The products of our company are manufactured with materials from Shanghai, Dalian, and Taiyuan Special Steel. We have over 1,000 different specifications and strictly adhere to the ISO9001 quality system. Our company's mission is to consistently focus on product quality and provide customers with optimized industrial value-added services. Our manufacturer provides quality fasteners that meet national standards GB, automotive standards QB, German standards DIN, American standards ANSI, international standards ISO, and Japanese standards JIS. Our production materials involve various types of stainless steel, alloy steel, carbon steel, brass, magnesium alloy, and more. We also develop and process various non-standard type fasteners. Welcome to inquire!!!