API C series Pumping Units is a kind of conventional walking beam pumping units, it's the ground power equipment used in sucker rod oil extraction which comply with API 11E Spec and relative standards, acquired the authorization to use Official API Monogram.
Pump Jack Model Types
| No |
Type |
Polished Rod Capacity
lbs |
Stroke Length
in
|
Rated Torque
in.lbs |
| 1 |
C-912D-470-240 |
47,000 |
240211181 |
912,000 |
| 2 |
C-912D-427-216 |
42,700 |
216185155 |
912,000 |
| 3 |
C-912D-427-192 |
42,700 |
192165138 |
912,000 |
| 4 |
C-912D-305-192 |
30,500 |
192165138 |
912,000 |
| 5 |
C-912D-365-168 |
36,500 |
168144121 |
912,000 |
| 6 |
C-912D-305-168 |
30,500 |
168144121 |
912,000 |
| 7 |
C-912D-427-144 |
42,700 |
144123102 |
912,000 |
| 8 |
C-640D-305-192 |
30,500 |
192165138 |
640,000 |
| 9 |
C-640D-305-168 |
30,500 |
168144121 |
640,00 |
Description of Pump Jacks
Our pumping units have no balancing load on crank arm. Balancing pole is equipped with an extended handle and a counter balance on the end. There'll be possibility of regulating the rotation angle of extended handle and counter-balance. The balancing pole is regulated by changing the length of balancing pole. It has simple characteristics, such as simple design, reliability durability, simple control, significant power saving, low cost of maintenance and etc..
Our Services
Our products and services are closely related to oil drilling and oil well cementation, including the whole pumping units and pump jack parts such as: horse head, walking beam, gear reducer, crank, bracket motors and API Subsurface Sucker Rod Pumps/Stage collar/Cementing Head/Casing Float Equipment and other oil well cementation equipment.
Packing and Shipping
Well packed into 40'GP containers, it's firm enough for long distance sea-shipped and railway transportation.
Company Information
The predecessor of Puyang Zhongshi Group Co. Ltd, was the 5th Machine Repairing Factory of Puyang Zhongyuan Oil field, Sinopec Corp. In 1997, after being restructured according to the modern corporate system, the factory was named Puyang Zhongshi Group Co., Ltd.
With registered capital of USD 10.15 million, Puyang Zhongshi Group is composed of 9 subsidiaries, including 8 manufacturers and 1 trade company. Zhongshi Group covers an area of 200, 000 sq. M, including workshop area of 50, 000 sq. M. Various kinds of production equipment values USD 6.5 Million. It has a strong mechanical processing capability.
Our leading products are pumping units, tubing pump & sucker rod pump, cementing accessories, down-hole tools, wellhead (X-mas tree), drilling solid control series, pressure vessel, camping house, air cannon, belt feeder and so on. They are mainly supplied to Central Asia, Southeast Asia, Africa and Middle East and many other countries.
Zhongshi Group has been the Tier One internet service provider of Sinopec. We passed ISO9001 quality management system certification and got approved to use API monograms on its oil machineries. So far, we have attained API 5CT, API 10D, API 11AX, API 11E and more are applying.
We would like to faithfully cooperate with friends from all circles with classic products and service to achieve common development.
Audited Supplier 
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