... pump, sucker rod pump, deep well oil pump, subsurface rod pump, subsurface pump We have a series of tubing pumps (including one-piece pumps, combination pumps),a ... perfect. The products are manufacturing accordingto Chinese "sucker rod pump" SY/T 5059-91 or API specifications. Quality isreliable ... to the request of users. Key parts of the pump are made of materials with strong corrosion-resistance and ...