The key to our success is Good Product Excellent, Reasonable Rate and Efficient Service for iadc537 16″ tricone bit, Tricone bits for well drilling, Tricone drilling IADC517, pdc rock drilling bit,CHINA OEM FACTORY. First business, we learn each other. Further business, the trust is getting there. Our company always at your service at any time. The product will supply to all over the world, such as Europe, America, Australia,Guyana, Mombasa,Japan, New York.Our products are very popular in the word, like South American, Africa, Asia and so on. Companies to create high quality products as the goal, and strive to deliver customers with high quality solutions, present high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!