We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Tricone drilling bit, GG25 CHECK VALVE, steel tooth tricone bit 394mm, pdc core bit,button bit IADC437. Our company maintains safe business mixed by truth and honesty to keep long-term relationships with our customers. The product will supply to all over the world, such as Europe, America, Australia,Yemen, Cannes,kazakhstan, Islamabad.We've a skilled sales team, they have mastered high technological and manufacturing processes, have years of experience in foreign trade sales, with customers able to communicate seamlessly and accurately understand the real needs of customers, providing customers with personalized service and unique merchandise.