... OEM from China; Certification:ISO14001:2004 ISO9001:2008 Specifications Titanium allen head bolts Xiamen Haixingcheng Metal Products Co., Ltd. ... , Steel,Brass, Steel,Bronze, Iron,Aluminum,Carbon steel,Alloy steel, silicon bronze,etc.Head/Tread styles According client' ... s requiresCoating/Surface treatment Zinc,Tin,Sn/Pb,Nickel,Chrome,Titanium, Cadmium, Dacromet,Heat dip zinc, Chromate , Electro ...