SM coupling,oilfield equipment

Product Details

Brand Name: API-11B-0088
Mini Order: 20
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Supplier Information

Yantai Yunsheng Petroleum Machine Accessories Co.,

[ Shandong, China (Mainland)
Main Products: sucker rod coupling is made according to API SPEC 11B,the raw meterial is good steel alloy
40cr,and the function is wear-proof,corrosion-resisting and reducing the friction.
guochuijie(at)
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