... ASAP.Qingdao Xin Yang Machinery Co., Ltd specializes in pump, pump parts and other machinery parts manufacturing ... , Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel ... delivery strict Our Advantage (1) Seven years of experience in manufacturing and exporting.(2) OEM and custom-made service ...