... Process: sand casting 4.Manufacture and OEM 5.Material:copper alloy 1. ISO 9001:2000 Approved 2. OEM service available ... E, Auto CAD, CAXA UG, CAD/CAM/CAE.6.Precision machiningCNC, milling machine, drilling machine, numerical lathe, all types ... anodizing, electroplating, mirror polishing.8.ServiceOEM service available9.Productcasting copper alloy pump and valve parts (unit weight ≥1kg)10.AdvantageGood ...