... China; Certification:ISO14001:2004 ISO9001:2001 SGS Specifications Galvanized pan head self tapping screw Xiamen Haixingcheng Metal Products Co., Ltd. is a fastener ... ,Bronze, Iron,Aluminum,Carbon steel,Alloy steel, silicon bronze,etc.Head/Tread stylesAccording client's requiresCoating/Surface treatmentZinc,Tin,Sn/Pb ...