... zinc plating, color zinc plating, acid pickling, etc.6. Application: temperature controller, mutual inductor, relay, sound, car GPS, Car chargers, ships ... 14. Service: We can provide one-line service from mold developing, production to surface treatment.15. Drawings and detailed ... , such as, measuring projector, salt spray testing machine, mold heat treatment oven, and miller machine, etc.17. Welcome ...