Help anchor Drill pipe

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Help anchor Drill pipe Slag is fast, convenient connection good blasting effect and lump coal rate is high Using small diameter help anchor drill pipe punching coal, slag is fast, convenient connection, good blasting effect and lump coal rate is high, and solved the help of roadway anchor drilling difficulties. （This product is divided into: RZZ and RZA injection type and dry type） diameter：Ф26，Ф28、Ф30、Ф32 lengh：（0.50m--2.50m）Ф 28 or above can be used in combination

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Jining Hengwang Mining Machinery Co., Ltd.

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