brass stamping 1.can designed by buyer's request 2.drawing are appreciated 3.OEM is ok 4.use in ... metal stamping parts which cover more than 7000 square meters.2. Certificate: ISO9001:2008, RoHS.3. Material: stainless steel, iron (SPCC ... .5. Surface treatment: nickel plating, zinc plating, color zinc plating, acid pickling, etc.6. Application: temperature controller, mutual inductor, relay, sound ...