... stainless steel,copper. Changzhou Bowei Precision Machinery Co.,Ltd.Having been engaged in precision machinery processing for ten years, ... the parts are all different.We have cnc machine tools ,machine center as well as common used machines. ... CMMMain ProductsValve Parts,Hydraulic Parts,Automobile Parts,Other CNC Precision Machining PartsMain ProcessingTurning,Milling,Grinding,Drilling,etc.Main ...