Shaoxing Haosheng High Strength Fastener Co., Ltd. is a professional engineering fastener manufacturer integrating design, production, testing, and self-operated import and export. The main products are M6-M160; 1/4 "-6" high-pressure, high-temperature, corrosion-resistant high-strength bolts, studs, nuts, gaskets. Product standards cover national standards (GB); American standards (ANSI/ASTM); German standards (DIN); Japanese standards (JIS); Nuclear power standards (RCCM); Petroleum industry standards (HG, H); Electric power standards (GD); Mechanical standards (JB) and non-standard special fasteners. Such as DIN2093, ANSI/ASTM693F, 20813 ect...Since its establishment, the company has been focusing on manufacturing fasteners with high precision, high strength and strong corrosion resistance, serving nuclear power, petroleum, chemical, electric power, pressure vessels, machinery and military industries with high engineering safety factors.