... been designed and developed 9 series models include CYJS3,4,5,6,8,10,12,14,16 of conventional beam pumping unit ... .2,0.96,9,127.34.6×1.46×4.33CYJ5-1.8-13HB501.8,1.2,0.96,9,127.36.5 ... -18HB502.5,2.0,1.56,9,1210.65.8×1.7×4.975CYJ6-2.5-26HB602.5,2.0,1.56 ... .54,6,829.010.0×2.6×9.111CYJ14-4.8-73HF(A)1404.8,3.9,3.14,5,630.412.1 ... ×2.9×9.412CYJ14-4.8-73HF(B)1404.8,3.9,3.14,5,632.613.2 ...