... . Anyway we can do any metal or alloy parts,such as stainless steel,carbon steel,ductile iron,melleable ... machining such as Machining center, CNC, Lathe, Milling machine,drilling etc. Surface treatment: painting, polishing, heat treatment, plaining or galvanization etc.5 ... ,ductile iron,malleable iron,stainless steel, carbon steel,aluminium,brass etc.standardDIN, ASTM, BS, JIS etc.processsand casting, ...