Rodless Pumps, Inc. (RPI), is the leading and largest manufacturer of artificial lifting equipment in China and one of the largest in this industry of the world. It has integrated technology of Electric Submersible Pumps (ESP), Electric Submersible Progressive Cavity Pumps (ESPCP), Horizontal pumping systems (HESP) and Hydraulic Pump’s (including Jet Pump) design, development and service.
RPI was founded in 1983, and introduced ESP techniques form abroad in 1984. On the base of adopting foreign advanced technology it established “Shengli” brand ESP unit. During the last two decades, RPI has been developing quickly and growing into strength. At present, it manufactures complete ESP units and ESPCP units, including surface equipment (Variable Speed Drive (VSD), transformer, control panel, junction box), down-hole equipment (centrifugal pump, progressive cavity pump, motor, protector, separator, gear reducer, power cable and motor lead extension, downhole sensing instrument). It has 8 t