HEJIAN BAINAS ROCK BIT MANUFACTURE CO.,LTD.  is a professional supplier of drill bit products.We are supply various kinds of New and Used drilling accessories: Tricone bit, PDC bit, diamond core bits, drill rod in various sizes avaiable and good condition, produced as API standard, suitable for drilling soft, medium hard& hard formation which is a sophisticated tool used for oil well, water well & gas exploration and mining with more than 20 years business experience

  Hope to cooperate with you!