... 2.drawings are appreciated 3.OEM is ok 4.use in temperature controller hardware part1. Experience: Over ten years experience ... more than 7000 square meters.3. Certificate: ISO9001:2008, RoHS.4. Material: stainless steel, iron (SPCC, SECC, SPTE, tinplate), ... plating, color zinc plating, acid pickling, etc.7. Application: temperature controller, mutual inductor, relay, sound, car GPS, Car chargers, ships ...