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.