... machinery parts manufacturing for 6 years, with two foundries and one machining factory, always ... casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, ... Electro-plating, Chemical Plating, and other machining processing.InspectionEquipmentsSpectrum analysis instrument, Metallurgical analysis, Tensile strength tester ...