... Steel, iron,alloy 3, your drawing is welcomed 1, Pump Parts, pump body2, Steel, iron,alloy3, your drawing is welcomed1. ... : marine casting parts, auto parts, machinary casting parts, pump parts, hardware parts6.OEM are welcomed. PROCESSMATERIALSTANDARDSAND CASTINGGreen SandGrey ... ISO 90001. These parts are used in machine assembly, valve &pump parts, auto &motorcycle parts, train & railway parts, marine ...