Self-priming pump 1) Convenient maintenance 2) Acid-resisting 3) Low operation cost Product features:1.Integrated body of motor and pump, submerged operation of great safety. 2.No special requirements on borepipe and ascending pipe(i.e. it can be used in steel pipe well, as pipe well and shallow well; if pressure permits, steel, rubber and plastic pipes can all be used as ascending pipe) 3. Easy ...