Sucker Rod Coupling

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Sucker Rod Coupling
Posting date : Jul 27, 2009
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72-
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Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a professional manufacturer producing API approved sucker rod couplings, including Spray Metal sucker rod coupling, calss T sucker rod coupling, Sub OD sucker rod coupling, Full size sucker rod coupling and Slim Hole sucker rod coupling,with the size range of 5/8", 3/4", 7/8", 1" 1-1/8". Materials is AISI 5140. All of our products are excellent in quality and low in price,which satified many of our customers home and overseas. We are golden supplier of alibaba.com,with API 11B certificate and the best supplier you can trust in China. 1” SMFH Coupling Full size Spray Metal 1" sucker rod coupling for oil field exploration machine; Basic material: Steel alloy 40Cr ( AISI 5140, HRA 56-62); API SPEC 11B specification manufacture; Inside diameter: 35.38mm(error bound: 0~+0.25mm); Outside diameter: 55.6mm(error bound: -0.25~+0.13mm). Casted alloy layer process on the surface has the function of wear-proof, corrosion-resisting and reducing the friction, protect both the coupling and the rods Yantai Yunsheng Petroleun Machine Accessories Co., Ltd. www.ytyunsheng(dot)com Laishan Shengquan Industrial Park,Yantai,China Email: ytyunsheng(at)ytyunsheng.com MSN: sdytys888_candice(at)hotmail.com

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