... Quality garantee of ISO 9001 Material:aluminum,iron,steel,stainless steel,brass,copper etc. Metal Stamping Product Features:1)OEM ... service provided.2)Material:aluminum,iron,steel,stainless steel,brass,copper etc.3)Process/treatment:cutting,stamping, ... ,machine,etcCertificateGS,ROHS,ISO 9000-2001Our products are customized according to clients' specific requirement.(OEM service)