... TestingSurface TreatmentHeat Treatment, Machine, Polishing, Chrome, Zinc, Nickel PlatingPackingCartons, Wooden Case, Steel Cases, PalletsAdvantage1.More than 20 years ... CASTINGSodium Silicone(Water Glass)Stainless Steel, Carbon Steel, Special Alloy Steel, Bronze, Brass, AluminiumSilica SolFORGINGHammer ForgingStainless Steel, Carbon Steel, Alloy Steel, Brass, AluminiumDie ForgingRoll ...