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| LandLion Drilling Tools Co., Ltd. We LandLion Drilling Tools Co.,Ltd. Specializing in the drilling bit and tubes used in oil well drilling such as tricone bit, PDC bit, drill pipe, drill collar. And in addition we also supply the hole opener for the directional drilling, or the butto... Member since 13 May, 2010, China - Shandong | | | | Liaocheng Ruizuan Construction Cutter Tools C0.,Ltd Liaocheng Ruizuan Construction Cutter Co.,Ltd is a professional manufacturer of rotary bits, coal mining bits, flat bits and shied driving cutters.“Ruizuan”products are widely used in coal mine, underground mine, tunnel, subway, metallurg... Member since 21 January, 2010, China - Shandong | | |
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