oil beam pumping unit:Automatic control, energy-saving and environmental protection floating beam pumping unit. ... -64-48302.81.26,9,124.05.2CYJ3-1.5-4.5HY40-64-60304.51.59,144.55.5CYJ5-1.8 ... ,123018.0CYJ12-4.8-73HF640-256-192120734.8,4.2,3.65,7,94529.0CYJ14-4.8-73HF640-305-192140734.8,4.2,3 ...