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API Pumping Unit for Oilfield
Desc: Conventional beam crank balanced pumping unit structure. Structural features: crank connecting rod mechanism and donkey head are located on both side...
2024-01-14
Oilfield Pump Jack Unit Transmission Gear
Desc: Conventional beam crank balanced pumping unit structure. Structural features: crank connecting rod mechanism and donkey head are located on both side...
2024-01-14