hardware stamping 1.Material:copper or as required 2.use in relays 3.OEM is ... : stainless steel, iron (SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass, bronze alloy. etc. are available.4. Process: stamping, deep ... plating, acid pickling, etc.6. Application: temperature controller, mutual inductor, relay, sound, car GPS, Car chargers, ships, home appliances etc.7 ...