... China; Certification:ISO14001 ISO9001 SGS Specifications Stainless Hexagon head anchor bolts with full thread Process Capablilities Standard ISO, GB, DIN, ... styles According client's requiresCoating/Surface treatment Zinc,Tin,Sn/Pb,Nickel,Chrome,Titanium, Cadmium, Dacromet,Heat dip zinc, Chromate ... a good performance in screw industry and develops well with the support of all customers. We have passed ...