I am looking for some screws in the attachment image, the screw must be in high qaulity and the screws at saltspray test must have suitable time to resist against of corrosion. Certification Requirements: need to certification. 联系方式Co:Trade marker Add:iran_tehran, tehran Tel:98-935-6301554 Email:trade_marker@yahoo.com 联系人：Mr. Alex Marker国家：Iran产品类别机械五金trade_marker@yahoo.com
