Shandong Dawang Jintai Group Petroleum Equipment Co.,Ltd, located in Dongying City, Shandong Province, P. R. China, which is seat of the second largest oil field China Shengli Oil Field is an ISO9001-certified and API-certified company specialized in the production of gear reducers and oil pumping units for the pumps. It has more than 500 employees, of which over 160 are technicians and engineers, with the annual production capacity of more than 3000 sets of gear reducers and 700 sets of oil pumping units, ranking among the first 3  in China in this industry.
Our company has the first-class production equipment and testing instrument. We have ccoperated with several famous company such as America Sentry and Weatherford, Crown and Sin, LS, Oman PDO, etc. Our products are aslo exported to Mexico, Canada, Columbia, Indonesia and son on.
The beam pumping unit has a better balance and eliminate,the negative torque because a rigid lower deviated beam balance .
List of Conventional Walking Beam Pumping Units
Type           Hanging Load        Length of Strike        Rating Torque
C1280-427-240        427000        240        1280000
C-912D-305-240        30500        240        912000
C-912D-365-192        36500        192        912000
C-912D-305-144        30500        144        640000
C-640D-365-168        36500        168        640000
C-640D-305-168        30500        168        640000
C-456D-305-168        30500        168        456000
C-640D-365-144        36500        144        640000
C-456D-305-144        30500        144        456000
C-640D-256-144        25600        144        640000
C-456D-256-144        25600        144        456000
C-640D-365-120        36500        120        640000
C-456D-365-120        36500        120        456000
C-456D-305-120        30500        120        456000
C-456D-256-120        25600        120        456000
C-320D-256-120        25600        120        320000
C-320D-213-120        21300        120        320000
C-320D-256-100        25600        100        320000
C-320D-305-100        30500        100        320000
C-228D-246-86        24600        86             228000
C-114D-119-86        11900        86            114000
C-160D-200-74        20000        74            160000