Aozhan Industrial Co., Ltd. was founded in October 2005, headquartered in Hangzhou, Zhejiang. It is a national high-tech enterprise that integrates research and development, production, sales, and service. Our main products include various high-quality precision stainless steel, special stainless steel, nickel based alloys, chromium stainless steel, high-temperature alloys, titanium alloys, aluminum alloys, copper alloys, carbon steel, chromium stainless steel fastening parts, and high-end stainless steel wire rods.Aozhan Industrial Co., Ltd. has a total factory area of 300000 square meters and owns Fu'an Aozhan Industrial Co., Ltd., Jiaxing Aozhan Industrial Co., Ltd., Zhejiang Aozhan Aviation Technology Co., Ltd., Zhejiang Ancheng Metal Products Co., Ltd., and Hangzhou Jinshang Intelligent Supply Chain Co., Ltd. (High tech); Four automatic warehouses have been built and put into use in Jiaxing, Hangzhou, and Wenzhou, and storage and distribution service centers have been established in Shenzhen, Guangzhou, Qingdao, Tianjin, Wuxi, and other places.The company's products comply with standards such as GB, DIN, ISO, JIS, ANSI/ASME, and have passed German PED, ROHS, and SVHC certifications. The Aozhan brand fasteners are widely used in high-end equipment manufacturing, marine engineering, rail transit, medical devices, electronic communication, military industry, aviation, nuclear power, power, petrochemical, construction and other industries. The company has passed system certifications such as GJB9001C-2017 (Weapon and Equipment Quality Management System), GB/T23001 (Integrated Management System of Industrialization and Industrialization), GB/T31950-2015 (Enterprise Integrity Management System), IATF16949, ISO/TS22163, ISO9001, ISO14001, ISO45001, GB/T29490, etc. It has undertaken the research and production of stainless steel expansion bolts and other products for multiple international and domestic nuclear power plants, and is a qualified supplier for CNNC, CRRC, and Sinopec.

socket screw，External hexagon screw，Carriage Bolts，Butterfly screw，Butterfly nut，Hexagon nut, cotter pin, washer, machine screw, self tapping screw, thread, thread bar, expansion bolt ，nonstandard fasteners，and Stainless steel wire with different diameters