... grade testing station of computer-controlled submersible motor pump, national 2-grade physical-chemical measurement and ... series split casing double suction centrifugal pump, MD mine pump, fire-fighting pump, QW series submersible sewage pump, DPB series dredge ... The factory produce the submersible motor pump, mine pump, centrifugal pump and special use motor pump with large power (max.260kw), ...