... Parts, casting parts 2, steel, stainless steel 3, as your requirements 1. Product Name: Investment Casting / Precision Casting Parts / ball Valves ... tons per yearInspection Chemical Composition Analysis, Tensile Test, Dimension Inspection, Hardness TestingSurface TreatmentHeat Treatment, Machine, Polishing, Chrome, Zinc, Nickel PlatingPackingCartons, Wooden ...