precision machining part: 1)ISO9001:2008 certificated 2)process:cnc 3)material:aluminum,iron,stainless steel,copper. Changzhou Bowei Precision Machinery ... CMMMain ProductsValve Parts,Hydraulic Parts,Automobile Parts,Other CNC Precision Machining PartsMain ProcessingTurning,Milling,Grinding,Drilling,etc.Main ... Factory Show CNC Lathes Milling Machines Processing Centres precision machining part