... 0.010-0.002mm 3.equipment:processing center machining part/surface treatment/zinc plating1. Dalian Hongsheng Machine Co., Ltd possesses many sophisticated ... such as processing center, wire-cutting machine, cylindrical bore grinder, surface form grinder, miller, CNC lathe, saw machine, lathe, punching ... to communicate with English, Japanese and Chinese. machining part/surface treatment/zinc plating