Yantai Yunsheng Petroleum Machine Fittings Co., Ltd.

http://indomonster.com/yunshengcompany

Yantai Yunsheng Petroleum Machine Fittings Co., Ltd. is a modern high-tech enterprise specialized in manufacturing petroleum machine accessories--sucker rod coupling . The company can itself research and develop to produce the Deflection-proof and Abrasion-proof Sucker Rod Coupling Common Coupling and Sub couplings, which have passed the ISO9001 and API SPEC11B Quality Management System Certifications Industrial Production Permit of China and Import& Export Licence. The excellent value for money makes Yunsheng Petroleum Machine Fittings enjoying high and long-standing reputation home and abroad.

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