... finish machining →surface treatment →product checking→ packing →deliveringCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Aluminum, Aluminum alloy ... drilling machine punching machines laser carving machineSurface treatmentHeat treatment, Polishing, Sand blasting, Painting, Electro-plating, Chemical Plating, and other machining processing. ...