Based on domestic market and expand overseas business is our development strategy for tci oilwell rock bit, roller cone bit supplier, button bit IADC437, SWING CHECK VALVE IN STOCK,IADC517 346mm bits for well drilling. Sincerely hope we are growing up together with our customers all over the world. The product will supply to all over the world, such as Europe, America, Australia,Ottawa, Czech republic,South Korea, Bhutan.Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate.