... and cast steel Lost wax casting process CNC machined parts,sand castingMaterials: aluminum, alloy steel, brass, cast iron and cast steelLost ... turning, milling, CNC milling, CNC drilling and CNC boringSurface treatments: sand blast, electrophoresis and zinc platedHeat treatments: tempered or annealed and induction ... : Mr Albert LiuTel:86-574-87913612, 87913611Fax:86-574-87913610 sand casting