We attempt for excellence, company the customers, hopes to be the good cooperation team and dominator company for personnel, suppliers and customers, realizes price share and continual marketing for 10 inches hole opener, single roller bit, IADC517 269mm tricone bit, Tricone drilling bit IADC447,pdc 6" for oilwell. With outstanding company and high quality, and an enterprise of overseas trade featuring validity and competitiveness, which will be trustworthy and welcomed by its clientele and makes joy to its employees. The product will supply to all over the world, such as Europe, America, Australia,Slovenia, Turin,Swiss, Norwegian.With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.