... , supply other main types pumping uni Specification Our conventional beam pumping unit is designed according to the criterion of API spec 11E. It has ... -East Asian regions.For example, our MODEL C228-173-100P pumping unit has reasonable designed parameter, good performance, length stroke, low frequency ... ,60036 28 2025,00058C-25D-53-305,30030 2025,000 API 11E Pumping Unit