Rod pump, sucker rod pump, deep well oil pump, subsurface rod pump, subsurface pump We have a series of tubing pumps (including one- ... rod pump" SY/T 5059-91 or API specifications. Quality isreliable and service is excellent. We manufacture and supply the deep oil well ... pumps and sand-proof pumps, inclined well pumps, hydraulic feed back pumps for heavy crude oil, pumps with forced mechanic valves, ...