Crank balance pumping unit

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{"cid":"199446","pid":"30274217","pimg_url":"\/\/img1.tradegrowthhub.com\/30\/4f\/bf81af7b7980\/product\/113189703_s-w400xh400.jpg","name":"energy & Double beam mining type horsehead energy saving oil field pumping device with electric motor","attrs":{"Price":"Negotiable","MOQ":"1 piece","Delivery Time":"Negotiable"}}

{"cid":"199446","pid":"30274212","pimg_url":"\/\/img1.tradegrowthhub.com\/30\/4f\/bf81af7b7980\/product\/113189676_s-w400xh400.jpg","name":"energy & Crank Current Type Balance Oil Well Field Pumping Beam Device","attrs":{"Price":"Negotiable","MOQ":"1 piece","Delivery Time":"Negotiable"}}