... casting, gravity casting, sand castingMachining: Turning, milling, drilling, grinding, threading, CNC machining, etc.Finishing: Sand blasting, polishing, plating, acid treatment, anodizing, paintingCertificate ... drawings)Main markets: US, Europe, Asia. South AmericaKaren SunValen Machinery Parts., LtdWeb: http://www.valensprocket.com http://dahaisprocket.preview.alibaba.comTel ...