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Products > pipe repair > Langfang KongRui Machinery Equipment Co.,Ltd | Similar Products

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Customized Mix Lock & Friction Kelly Bar: 1. Interlocking MIX Friction Kelly bar 2. KR Drill - Characteristic Materials---What we agree with ? A-We fully understand that the Materials is the first key step to make the good Kelly bar, so ...

Friction Kelly Bar Customized for Various Drilling Rig Model: 1. Friction Kelly bar 2. KR Drill - Characteristic Materials---What we agree with ? A-We fully understand that the Materials is the first key step to make the good Kelly bar, so strictly control of ...

Interlocking Kelly Bar Customized for Various Drilling Rig Model: 1. Interlocking Kelly bar 2. KR Drill - Characteristic Materials---What we agree with ? A-We fully understand that the Materials is the first key step to make the good Kelly bar, so strictly control ...

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Customized Mix Lock & Friction Kelly Bar