Jis Standard Grade 4.8/6.8/8.8 - China Manufacturers, Factory, Suppliers

Our firm aims to operating faithfully, serving to all of our consumers , and working in new technology and new machine continually for Jis Standard Grade 4.8/6.8/8.8, Thick Flat Washer , A286 Heavy Hex Nuts , Plain Carbon Steel Hex Bolt , We always insist on the management tenet of "Quality is First, Technology is Basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.