... Drive system for pcp oil pump 1.PM Synchronous motor and driver, beltless 2.12KW, 21KW, 31KW,200rpm 3.CE,ISO9001 Stars ... Cavity Pump)---NAS-B SeriesThis system contains Control cabinet, Servo driver and AC motorWe Stars has been supplying Daqing Oilfield(China) with ... , low cost of one-off investment.All the motor, driver and control cabinet designed by Stars itself, matching perfect, service convenient ...