Sucker Rod Pump, Progressing Cavity Pump, Downhole Pump manufacturer / supplier in China, offering API 11ax 114.3mm Tubing Size Tubing Pump Sucker Rod Pump Petroleum Equipment-1, API 40-275 Rhbc Type Downhole Sucker Rod Pump for Petroleum Equipment, API Stationary Heavy Wall Barrel Top Anchor 275-Rha Rod Pump and so on.