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Cangzhou Great Drill Bits Co.,Ltd was founded in 2010,which is committed to R&D, design, production and sales, qualified supplier of CNPC, Sinopec, CNOOC,NISOC, and so on. The company is located in Hejian Development Zone, Hebei Province. The first phase covers an area of 40000 square meters, and the second phase is expected to develop an area of 80000 square meters.It has multiple international advanced CNC machining center production lines with combined turning and milling and multi-axis linkage. Cumulative sales of more than 100,000 drill bits. Main products: PDC bit, tricone bit, coring bit, bi-center bit, Torkbuster, PDC reamer, PDC hole opener, rock reamer, customized cutters.