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A coupling is a common way to connect pipe fittings to connect pipes or connection points between pipes and equipment.

As a long-stroke pumping machine with a derrick, we employ an advanced range of technologies including torque control, intelligent control theory and vector control.

The sucker rod is a slender member of the pumping well and one of the important components of the pumping system.

Its structure is simple, the performance is stable, the price is low, the operation is convenient, we can make different adjustments to the material and treatment process of the pumping pump accessories according to the customer's well conditions, to ensure that its service life is more than 12 months.