... 1 Garden water pump 2 stainles steel impeller, copper cover 3 OEM service 4 Two foundries,one machining factory ... Information Name: Garden water pump with stainles steel impeller and copper cover.Electroless Nickel PlatingMaterial: pump body: cast iron impeller: ... Stainless steel, Alloy steel, Special steel, Wear-resistant steel,Aluminum, Copper, Bronze, etc.StandardAISI, ASTM, DIN, JIS, BS (As per ...