- Min. Order:   - 1set 
- Place of origin:   - China 
- Price Condition:   - FOB  
- Supply Ability:   - 6,000 sets per year 
precise and convenient.
4.Hanging structure of the horsehead is"self-abdicating"mechanism , facilitating wellhead operations.
5.Gear reducer adopts herringbone involute or double circular toothed gear, high precision, nice load bearing capacity, and long service life.
6.Brake adopts internal expanding or external structure . The brake has safety devices, which can brake quickly, safe and reliable
                [Related Keywords : pumping unit, beam pumping unit, beam unit, pump jack]