... is specialized in machining mechanical part, metalworking ,precision machined parts, and CNC machining. Hongsheng possesses of sophisticated equipments, ... East, and Japan. For example, Mitisubishi Electric Inc., Alpine Electronics Inc., Ryosei Electro-circuit Systems, Ltd. We are ... grinder, surface form grinder, punching machine, etc.4. Parts are used on vehicles, printing machines, food processing ...