... reply within one day, and quotation will be passed on your requirements ASAP.Qingdao Xin Yang Machinery Co., ... casting, Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel, ... process and quality control system.(9) Quality warranty and on time delivery.(10) Two foundries and one machining factory ...