We believe in: Innovation is our soul and spirit. Quality is our life. Customer need is our God for NQ CORE BIT, 311mm TCI drill bit, pdc and tricone bit factory, IADC517 10 5/8 tricone drill bit,rock drill bit. We have a big inventory to fulfill our customer's requires and needs. The product will supply to all over the world, such as Europe, America, Australia,Georgia, Casablanca,San Francisco, Panama.With the principle of win-win, we hope to help you make more profits in the market. An opportunity is not to be caught, but to be created. Any trading companies or distributors from any countries are welcomed.