We mainly produces M6-M120 high-strength bolts,nuts,flat washer, all kinds of special-shaped bolts and low temperature - 50 degree impact test bolts. We have  more than  20 years of experience.  And we have more than 400 sets of  bolt and nut  producing  and testing equipment.  Our product standards are  GB, ISO, DIN, BS, ASTM etc. We can also supply the fasteners for you according your requirements. We can supply you high quality products with competitive price.
