Precision casting impeller:St.St 304 Materials: SS201,SS304,SS304L,SS316,SS316L Diameter: ... of casting(unit weight ≥3kg)AdvantageGood quality and strict delivery timeAlso the material of stainless steel 304,304L,316,316L impeller and pump ... ,ChinaTel:0086-18653371891 Fax:0086-533-3155455 stainless steel Deep water pump impeller