Great Petro produces API 11E series pumping units and unconventional pumping units with an annual output of 500 units. The characteristics of the winning pumping unit are: energy saving, long stroke and low stroke, easy to adjust parameters and maintain.
Great Petro produces API 11E series pumping units and unconventional pumping units with an annual output of 500 units. The characteristics of the winning pumping unit are: energy saving, long stroke and low stroke, easy to adjust parameters and maintain.