precision valve body machining part: 1)OEM service 2)Material:iron,stainless steel,aluminum,copper 3)ISO9001:2008 certificate Changzhou Bowei Precision Machinery Co.,Ltd ... Gauge,CMMMain ProductsValve Parts,Hydraulic Parts,Automobile Parts,Other CNC Precision Machining PartsMain ProcessingTurning,Milling,Grinding,Drilling,etc.Main CustomersUSA,Denmark,German ...