Product features：

· Product design and manufacture implement API SPEC 11E specification and China petroleum industry standard CB/T29021, through API and industry certification.

· Rongsheng company can manufacture all kinds of conventional beam pumping unit, phased beam pumping unit according to the user's requirements.

· Using the special calculation software to optimize the design of dimension parameter, the motion performance is excellent and the working is stable and reliable. 

· Simple structure, sturdy and durable, convenient maintenance.

· Using the design concept of modularization, high universalizable.

· Rongsheng company can manufacture all kinds of pumping unit according to the user's requirements.