... industry and trade integrationMain ProductsGrinding Steel Ball, Mild Steel Ball, Casting Steel Ball, Ball Bearing, Valve Ball etc.Producing EquipmentCNC machine SHENGYU & SYX42 ... lathe, springs, shafts, screws, stamping parts and other metal parts. Our main production modes are designing and proofing ... our website: http://gdsx.en.alibaba.com metal steel ball,stainless steel balls,10mm stainless steel ...