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Products > technical service > Langfang KongRui Machinery Equipment Co.,Ltd | Similar Products

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technical service

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Customized Mix Lock & Friction Kelly Bar: technical will pay attention to the key parts by manual welding, Detector will test all the sections after producing, and assembling sections in order to confirm the overall fluency of Kelly bars. ...

Friction Kelly Bar Customized for Various Drilling Rig Model: technical will pay attention to the key parts by manual welding, Detector will test all the sections after producing, and assembling sections in order to confirm the overall fluency of Kelly bars. ...

Interlocking Kelly Bar Customized for Various Drilling Rig Model: technical will pay attention to the key parts by manual welding, Detector will test all the sections after producing, and assembling sections in order to confirm the overall fluency of Kelly bars. ...

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Customized Mix Lock & Friction Kelly Bar