Cangzhou Great Drill Bit Co.,Ltd

Great Petroleum Equipment was founded in 2010,which is committed to R&D, design, production and sales, qualified supplier of CNPC, Sinopec, CNOOC,NISOC, and so on. Main products: PDC bit, tricone bit, coring bit, bi-center bit, Torkbuster ， PDC reamer, PDC hole opener, rock reamer, customized cutters.