... .A contralsteel casting train parts,auto parts1.casting parts material: cast iron,steel,stainless steeletc2.Casting parts process: sand casting,investment casting,etc3 ... .Qualified inspector:provide best quality products to clients 1materialgrey cast iron, ductile cast iron, steel, stainless steel,2sandgreen sand3mahinelathe, CNC, drilling machine, milling machine, boring machine ...