... are nonstandard 2.drawings are appreciated 3.used in mutual inductor 4.OEM is pressing1. Experience: Over ten years ... .2. Certificate: ISO9001:2008, RoHS.3. Material: stainless steel, iron (SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass ... zinc plating, acid pickling, etc.6. Application: temperature controller, mutual inductor, relay, sound, car GPS, Car chargers, ships, home appliances ...