... Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel, Wear-resistant steel,Aluminum, ... blasting, Painting, Electro-plating, Chemical Plating, and other machining processing.InspectionEquipmentsSpectrum analysis instrument, Metallurgical analysis, Tensile strength ... , etc. Quality control: (1) Machinery properties and Chemical components testing after raw casting(2) Hardness ...