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As we made the diamond bit with these advantages, widely used in geology and mineral exploration, water development and roads, railways, bridges, housing, construction, core-pulling experience bored through solid rock. : good stability, long life span, fast and varied, can be got into the soft, hard gra, and broken formation, with its excellent quality and reasonable price by domestic and foreign customers Welcome.
specifications:: Φ75-Φ91-Φ110-Φ130-Φ150-Φ171-Φ219MM
