We support our purchasers with ideal premium quality products and substantial level company. Becoming the specialist manufacturer in this sector, we've acquired rich practical working experience in producing and managing for diamond crown cutting core bit, 311mm TCI drill bit, well drilling bit, well drilling bit,button bit IADC617. Since establishment in the early 1990s, we have set up our sale network in USA, Germany, Asia, and several Middle Eastern countries. We aim to be a good class supplier for worldwide OEM and aftermarket! The product will supply to all over the world, such as Europe, America, Australia,Jeddah, Cambodia,Rio de Janeiro, Congo.Over the years, with high-quality solutions, first- class service, ultra-low prices we win thee trust and favor of customers. Nowadays our products sell all over the domestic and abroad. Thanks for the regular and new customers support. We offer high quality product and competitive price, welcome the regular and new customers cooperate with us!