Yantai Yunsheng Petroleum Machinery Accessories Co.,Ltd -

Yantai Yunsheng Petroleum Machinery Accessories Co.,Ltd

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api class sub sucker rod coupling
Specification: 5/8",5/8", 3/4", 7/8", 1", 1 1/8".
Detail: We produce the whole API sucker rod coupling line, including sucker rod coupling, subcoupling, polished rod coupling,slim hole(SH) coupling,class SM coupling. Spraying Metal coupling combines top quality steel with a cold roll...

api class sm sucker rod coupling
Specification: 5/8¡¯¡¯5/8", 3/4", 7/8", 1", 1 1/8".
Detail: API Sucker Rod Coupling, Class SM 1 Material: AISI 5140 (40Cr), 2 Coat Thickeness: 0.01-0.02 in 3 Coupling diameter: 5/8 ,3/4,7/8,1,1-1/8 4 Basic Hardness: HRC 16-23 5 Surface Hardness HRC 55-62 6 Thermal spraying ...

api class t sucker rod coupling
Specification: 5/8¡¯¡¯5/8", 3/4", 7/8", 1", 1 1/8".
Detail: Our co***ny 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 ...


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