1.CYJY14-4.8-73HF 2.HY HB HF 3.API 11E 4.Color is red ... developed 9 series models include CYJS3,4,5,6,8,10,12,14,16 of conventional beam pumping unit ... 9,127.34.6×1.46×4.33CYJ5-1.8-13HB501.8,1.2,0.96,9,127.36.5×2 ... 18HB502.5,2.0,1.56,9,1210.65.8×1.7×4.975CYJ6-2.5-26HB602.5,2.0,1 ... ,3.6,3.04,6,828.710.9×2.8×7.410CYJ14-3.6-53HF1403.6,3,2.54,6, ... -73HF1604.2,3.6,3.04,5,632.610.8×2.9×9.314CYJ16-4.2-105HF1604.2,3. ...