Material:aluminum,iron,steel,stainless steel,brass,copper etc. certification:ASTM we supply OEM product ... Product Features:1)OEM service provided.2)Material:aluminum,iron,steel,stainless steel,brass,copper etc.3)Process/treatment:cutting,stamping,perforating ... convenient loading port (Qingdao)and competitive price4,The materials are steel/iron/aluminum/brass/secc...according to customers' demand5,The ...