Coal mine alloy bit

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Brief Introduction 1.many models 2.easy to use 3. stable quality Detail Introduction Coal mine alloy bit 1. Adapted to the coal mine, mine, etc., cemented carbide anchor bolt anchor drill bits and diamond drill bits, have two kinds of casting and machining of steel body, stable quality 2. High quality hard alloy anchor drill adopts independent research and development of these materials and technology of the production, USES the high quality hard alloy and high wear-resistant diamond compact.

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jining hengwang mining machinery co.ltd

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