... punching machining 3)Cheap price,quick delivery 4)OEM manufacturer Auto Partsproduct features1. products with multi-industry,multi-type and ... request.4.material:aluminum,brass,alloy,stainless steel,iron,cold-plate,hot-plate,galvanized sheet,SECC,phosphor-copper,etc. ... used in electronic aluminum components, mainly use for computer,auto or other household appliance .7.High quality guaranteed and ...