Quality very first, Honesty as base, Sincere assistance and mutual profit is our idea, in an effort to create consistently and pursue the excellence for 6″ HDD tricone bit, tricone bit IADC517, tricone drill bit IADC437, pdc drilling,tricone bit IADC517. For additional queries or should you might have any question regarding our goods, make sure you do not hesitate to call us. The product will supply to all over the world, such as Europe, America, Australia,Nepal, Botswana,Chile, Rotterdam.We will initiate the second phase of our development strategy. Our company regards reasonable prices, efficient production time and good after-sales service as our tenet. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.