Jiangsu Yongyi Fastener Co.,Ltd.

The company is a national high-tech enterprise that can solve the high- safety connection of the whole life cycle of components, and is committed to becoming China’s leading brand of hot forging high-quality fasteners, the world’s leading brand of high-safety bolt assambly, and the global leading brand of high-safety connection solutions. The company covers an area of more than 60,000 square meters, with an annual output of more than 50,000 tons of high-quality fasteners. The whole process of the product is produced by ourselves, and the bolts, nuts and washers are produced by ourselves. The company’s founder and core team have more than 30 years of experience in fastener R&D and manufacturing, participated in the national fastener standardization for many times, established cooperative relations with many universities, and obtained many fastener technology patents. The company is the first to obtain ISO9001, ISO45001, ISO14001 certification and CNAS national laboratory certification, is the Specialized and Sophisticated company and Engineering Research Center in Jiangsu Province, The company is the member of National Technical Committee for Fastener Standardization China Fastener Industry Association (CSC, CWEEA, CPIA, CPEIA, CCCME, CCMA etc. Our products are mainly used in construction groups, wind power, large equipment and other places. In order to ensure the safety of the products, All the bolts are subject to acid free operation and special processes. Not only raw materials are subject to flaw detection, but also finished products are subject to flaw detection one by one. , our company has ordered a fully automatic nut lubrication equipment to ensure the torque testing of goods .The laboratory have two torque testing machines, which can test the specification with a maximum diameter of 64.

11-1, 11th Floor, Yunheng Building,
Luotuo Street, Lianyungang City, Jiangsu Province,
China,
China

Tel:

+86-15381932569

Products

Bolts

Hexagon head bolts

Hexagon head bolts with hexagon nut for steel structures (DIN: 7990)Hexagon head bolts with shank - metric fine pitch thread (DIN: 960/ISO: 8765)Hexagon head bolts with shank - Product grade C (DIN: 601/ISO: 4016)
Hexagon head bolts with shank (DIN: 931/ISO: 4014)Hexagon head screw with full metric fine pitch thread (DIN: 961/ISO: 8676)Hexagon head screws with full thread (DIN: 933/ISO: 4017)Hexagon head screws with thread up to the head - Product grade C (DIN: 558/ISO: 4018)

Construction fixings

Structural steel fasteners

Fastener assemblies and combinations

High strength structural bolt and nut assembly (DIN: 6914/ISO: EN 14399-4)Structural assembly set (ISO: EN 15048)
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