DTH drilling tools
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Rock drilling tools ,such us down-the-hole button bits, high/low air hammers; casing system,top hammer drilling tools, hand held drilling tools,blast furnace opening bits,mineral ground tools, drilling rigs etc.They are widely used in earthwork, mining, water well engineering and construction. geothermal drilling, municipal engineering, etc.
Zhuzhou Zhongge Cemented Carbide Co., Ltd.
AddNo. 1099, the Pearl River North Road, Tianyuan District, Zhuzhou, Hunan
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