... precision turning part 1)ISO9001:2008 certificated 2)process:cnc 3)material:aluminum,iron,stainless steel,copper. Changzhou Bowei Precision Machinery ... Co.,Ltd.Having been engaged in precision machinery processing for ten years ... Parts,Hydraulic Parts,Automobile Parts,Other CNC Precision Machining PartsMain ProcessingTurning,Milling,Grinding,Drilling,etc ...