Our company can itself research and develop to produce the deflection-proof and abrasion-proof sucker rod coupling, common coupling, and sub coupling, which are widely used in Shengli, Zhongyuan, Liaohe, Xinjiang , Daqing and other major oil fields in China and exported to India, Russia, Central Asia, Gulf region, Europe and the United States, enjoying high and long-standing reputation home and abroad. Our sucker rod couplings are manufactured from high quality carbon steel AISI 5I40, fully in accordance with API Spec 11B standard, and the size are available in 5/8’’, 3/4’’, 7/8’’, 1’’, and 1 1/8’’.

If you are interested in our production, please let us have your specific enquiry, and our quotation will be forwarded without delay. Business between us will be concluded on the basis of shipping quality and reasonable price, and necessary certificates in regard to the quality and quantity of shipment will, of course, be provided.

We look forward to your early reply with much interest.

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