... tons per year 8. Casting Process: Investment Casting , Sand Casting, Die Casting, Lost Wax Casting, Precision Casting, Gravity Casting, CNC Machining 9. Material: Carbon Steel , Alloy Steel, Stainless Steel, Gray Iron, Ductile ... Plating 11. These parts are used in machine assembly, valve &pump parts, auto &motorcycle parts, train & railway parts, marine hardware, construction ...