... valve bodies1,Material: WCBor ductile iron2,Technology: Resin sand casting,precision casting,lost foam casting,investment casting3,Weight ... ASTM\DIN\BS\JIS3.Surface finish: passivated, stain polished, mirror polished, e-coating and so on4.Weight: 0.3-500kgsMain ... box resistance furnace, cutting head machine, shot-blasting machine, sand-blasting machine, pickling line.2.Machining facility: CNC machine, ...