... hot galvanizedPlating: Zinc, Nickel,Silver,Tin,chrome,gold,Sand blasting.PolishingPaintingHeat treatmentEquipments:For castings: medium frequency induction ... furnace, coal furnace, sand blaster machine, wax injection machine, Heat treatment machine, ... , CNC lathes,Auto lathe, Normal lathe, Drilling machine,Polishing machine, grind machine etc customed aluminium ...