Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for roller cone cutter manufacturer, IADC537 tci bit, 8.5" tricone bit IADC437, pdc drill bit,IADC517 Tricone bit. On account of superior excellent and aggressive rate , we will be the sector leader, make sure you don’t hesitate to contact us by cellular phone or email, if you're fascinated in al any of our items. The product will supply to all over the world, such as Europe, America, Australia,Bulgaria, Gabon,Ottawa, Riyadh.Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.