Coupling CNC machined parts Materials: aluminum, alloy steel, brass, cast iron and cast steel Lost wax casting proces CNC machined parts,castingMaterials: ... iron and cast steelLost wax casting processMachining: CNC turning, milling, CNC milling, CNC drilling and CNC boringSurface treatments: sand painted, electrophoresis and zinc ... Albert LiuTel:86-574-87913612, 87913611Fax:86-574-87913610 coupling