... Parts / ball Valves / stainless steel sand casting parts / machinery parts / CNC machining parts, Steel Investment Casting / lost wax ... Tensile Test, Dimension Inspection, Hardness TestingSurface TreatmentHeat Treatment, Machine, Polishing, Chrome, Zinc, Nickel PlatingPackingCartons, Wooden Case, ... . Passed ISO 90001. These parts are used in machine assembly, valve &pump parts, auto &motorcycle parts, ...