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Beijing Unidrill Technology Co., Ltd.

Beijing Unidrill Technology Co., Ltd.

 Interlocking and friction Kelly bars manufactured by us have been successfully applied for drilling rigs of brands including Bauer, Soilmec, Liebherr, Casagrande, IMT, Sany, XCMG, Zoomlion, CSR, Sunward, Jintai, etc. We supplied friction kelly bars which can practically execute drilling to a depth of 148 meters, the deepest in soft soils conditions; For interlocking Kelly bars, we design customized 3-element, 4-element and 5-element interlocking Kelly bars, among which 5-element interlocking Kelly bar is firstly manufactured by domestic manufacturer.

With the most mature manufacturing technology, 5-element interlocking Kelly bar has been successfully applied for XCMG550, TR550, SWDM520, XCMG400, TR460, XCMG360, SWDM360, TR280 drilling rig, etc., which effectively addresses the problem of deep hole rock drilling.

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