... pump 2.Self-suction,powered 3 inch pump, 3.used popluar in irrigation,sprinkler 4.High delivery lift pump MODEL: ZW-30cx <1.> Pump Parameter .Pump ... 100% qualified ,assemble body parts and engine parts, have a special inspection test against engine ,ensure engine’s durablity, ... production and make photoWhen comeplete the production, and have a test of the engine durablity, stablity on test machine ...