Sanmon always promote cost-effective products with punctual delivery and attentive service, such as API Spec 11B standard sucker rod couplings. With years' experience on oilfield equipments, we offer a complete range of API sucker rod and couplings. There are over 20 production lines in our factory especially for sucker rod and couplings, and we can offer 45,000 pieces of couplings each month. Sanmon has set an top standard over industry with the design of the Premier Performance Sucker Rod couplings including API Class T (through hard), API Class SM (spray metal), Sub sucker rod coupling and polished rod connection designs, combines top quality steel with a cold rolled thread that increase fatigue resistance. They are available of Full Size and Slim Hole for all size 5/8", 3/4", 7/8", 1" and 1-1/8", manufactured with high quality Carbon steel AISI 5I40 /4135/4142.

Over years' hard work, we have own a good many of friends have fixed business with us and our products have been satisfying customers home and overseas. If you have any interests on our sucker rod coupling, please feel free to contact us for further information! We're the special supplier, and the cost is much lower than some Inter-trade enterprises, also we can supply more excellent quality, to build a long-term business relationship with you.