SDQD Special Fastener Technology Company, was founded in 1970,The company covers an area of 200mu (1m≈667m2), has 550 employees including more than 120 engineering technicians.
As a professional manufacturer of high strength carbon steel bolts and nuts, high strength superalloy bolts and nuts in China, the company annually yields 80 million sets of high strength bolts and achieves an output value of RMB 0.5 billion.
Products
Automobile Engines High-strength Bolts
heavy trucks, combines and large tractors hub bolts
Engineering Bolts
Hydraulic Devices and Automobile Diverters Bolts
Marine Engine Bolts
…
The company is dedicated to the R&D of 10.9 and 12.9-class high-strength anti-fatigue bolts which adopt the chipless forming process and meet requirements of toque-rotation control methods. Its R&D ability tops in the domestic industry and technique equipment also occupies the leading position domestically. With more than 120 technicians, the company has strong capacity of research and development and first-rating inspection. It has built Provincial High Strength Bolt Engineering and Technology Center, Provincial Bolt Institute and High-Strength Physical and Chemical Test Center. Therefore, the company is able to research and develop hundreds of high-strength anti-fatigue bolts which adopt chipless forming and may take place of imported bolts because their performance is equal to or superior to those imported bolts.
The company is the first to be certified to ISO9000 and ISO/TS16949 Quality Management System in the same industry.
Customer Reference
Caterpillar Construction Machinery
Deutz
Fiat
Eaton Hydraulic
ZF
Hyundai Construction Machinery
Doosan Construction Machinery
Sany Heavy Industry
…