Product Description

Yantai Yunsheng Petroleum Machine Accessories Co., Ltd. funded in ***7, presently is one of biggest enterprises producing double protection sucker rod joint inside China. Main products: deflection-proof and abrasion-proof sucker rod joint, and common joint. Our company owns the advanced technology, especially about the alloy coat abrasion-proof sucker rod joint is on top level of the world. Our company’s products earned the good reputation from domestic clients such as Shengli Oil Field and Daqing Oil Field, also having sold into the markets of Europe, Southeast Asia and Middle East. Moreover our company past the attestation of ISO***1:***0, and the quality of our company is up to the requirement of ISO***1:***0 Standard. Our sucker rod couplings are manufactured from high quality Carbon steel AISI 5I*0 or AISI ***5 in accordance with API Spec *1B standard, including class SM coupling, class T coupling, Sub coupling, Full Size coupling, Slim Hole coupling, are available in 5/8”, 3/4”, 7/8”, 1” and 1 1/8”.