metal prototype 1- Materials: different kinds of rubber& plastic ,such as PP , PA, PVC, PE, EPDM, EPT metal prototypeWe are a ... symbols and company logos ItemDescriptionProduct NameMachining partWorking Processstamping, deep stamping, bending, punching, threading,welding, tapping, rivetingMaterialAluminum, copper, brass, stainless ... and regions.InspectionIQC, IPQC,FQC,QA precision metal prototype