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Products: |
| The anti-eccentric-wearing two-way protective sucker rod collar is made up of common collar by spreading one anti-fret and antifriction coating and through special surface treatment process.Therefore??both the collar and the oil tube will be protected form abrasion. This product is of various dimensions and models?? It is made up of high-quality alloy steel 40cr and featured of such three functions as abrasion resistance??wear resistance and anti-attrition. |
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KCYC SERIES AUTOMA..
