Yantai Yunsheng Petroleum Machine Accessories Co., Ltd., is a modern high-tech enterprise specialized in manufacturing petroleum machine accessories--sucker rod coupling.
Since its establishment in 1997, The company actively intend to reach the international top level of production, the existing production lines own advanced equipments more than 40 units, such as Universal Milling Machine, Vertical Drilling Machine, Centerless Grinder, Horizontal Band Sawing Machine, Numerical Control Machine, Automatic Grinding Machines. In conjunction with an elite team designing sucker rod coupling, the monthly production can reach to 20,000 pieces.
The company can itself research and develop to produce the Deflection-proof and Abrasion-proof Sucker Rod Coupling，Common Sucker Rod Coupling, and Sub OD Sucker Rod Couplings, which are widely used in Shengli, Liaohe, Daqing and other major oil fields in China and exported to India, Russia, Central Asia, Gulf region, South America, Europe, Canada, and the United States, enjoying high and long-standing reputation home and abroad. In order to further enhance the product quality and brand, the company introduced a series of advanced inspection equipments, so that the materials are in strict quality control system from A to Z. The Excellent value for money makes Yunsheng Petroleum Machine Accessories passed the ISO 9001 and API SPEC11B Quality Management System Certificates，Industrial Production Permit of China earlier than other suppliers, becoming one of the best manufacturers in Domestic Market!
On the basis of vigorous development in recent years, the company made 30 million yuan investment again for sucker rod, and sucker rod pump production. The new production plant of more than 13,000 square meters will be completed soon, which will cause Yunsheng every success in the future. “Lasting by quality, Development by Credit” is our Corporate Philosophy of developmen.

India
Russia
Central Asia
Gulf Region
Europe
United States
South America
Canada

API 11B No:11B-0088
ISO9001:2000
Industrial Production Permit of China
Import& Export Licence