1 Garden water pump 2 stainles steel impeller, copper cover 3 OEM service 4 ... machining factory Product Information Name: Garden water pump with stainles steel impeller and copper cover.Electroless Nickel PlatingMaterial: pump body ... Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel, Wear-resistant steel,Aluminum, Copper, Bronze, etc.StandardAISI, ASTM ...