Material:aluminum,iron,steel,stainless steel,brass,copper etc. certification:ASTM we supply OEM product of customer's requset Metal Stamping Product Features:1)OEM service provided.2)Material:aluminum,iron,steel,stainless steel,brass,copper etc.3)Process/treatment:cutting,stamping,perforating,bending,welding,plating,power coating,assembling.4)High precision metal processing:stamping parts5) ...