... China; Certification:ISO14001:2004 ISO9001:2001 SGS Specifications Sleeve type expansion anchor bolt Process Capablilities Standard ISO, GB, DIN, JIS, ANSI, BSW, ASMEGrade ... treatment Zinc,Tin,Sn/Pb,Nickel,Chrome,Titanium, Cadmium, Dacromet,Heat dip zinc, Chromate , Electro Painting etc.Certificate SGS, ISO9001:2008 ...