sucker rod coupling
Product Details
| Brand Name: | ys1 |
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| Mini Order: | 10 |
Supplier Information
Yantai Yunsheng Petroleum Machine Accessories Co.,
| 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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