Weigao Petroleum Drilling Tools Manufacturing Co., Ltd.

[Shanxi China (Mainland) ]

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Square Kelly,sxweigaowsj(at)live.cn

Hexagonal Kelly

Integral heavy weight drill Pipe

Drill Collar,sxweigaowsj(at)live.cn

Non magnetic drill collar API Spec7

non-excavation drill pipe,sxweigaowsj(at)live(point)cn

Lifting Sub, sxweigaowsj@live.cn

drill-stem,sxweigaowsj at live point cn

Drill Collar With Slip Groove,sxweigaowsj at live point cn

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