... ,202,301,302,304,316,Staniness steel,carbon steel,aluminum,Process:Stamping,cold-forming,punchingFinish:plate,oxidation,spray-paint,polishing ... usb,memory card, sim card, etcAplied for mobile phone, computer, auto, furniture, handles, doors, building, home appliance, fax machine, camera ... according to customers' requirementFeedback:Life-long free repair High precision metal stamping part with punching