Fasteners

Our company has passed ISO9001: 2000 Quality Supervision System Certification. tel008615853298697.The thoroughly effective quality supervison sysytem ensures the efficient monitor of every working procedure from raw materials in- factory to final goods ex-factory so that the products can pass the National and International Levels of the Quality Sport Test each year. The company has successively been awarded the Excellent Prize for the Superior New Product (Large Hexagonal Torsion-Scissoring High Intensity Bolt Connections ), It also maintains the technains the technical cooperative relationships with Shanghai Fastener & Welding Materials Research Institute.

8.8s and 10.9s;
More than M20;