Sucker Rod Pump, Progressing Cavity Pump, Downhole Pump manufacturer / supplier in China, offering API 11b Solid Sucker Rod Oilfield Pump Oil Production Pump Pump Size 275, API 30-125 Rhac Type Downhole Sucker Rod Pump for Petroleum Equipment, V11-325 Tungsten Carbide Seat Parts for Sucker Rod Pumps and so on.