High-quality comes 1st; assistance is fore; business enterprise is cooperation is our business enterprise philosophy which is constantly observed and pursued by our business for three cones bit iadc425, Tricone drilling bit IADC447, 311mm TCI drill bit, pdc cutter,one cone bit. Our firm quickly grew in size and reputation because of its absolute dedication to superior quality manufacturing, substantial price of solutions and fantastic customer services. The product will supply to all over the world, such as Europe, America, Australia,Panama, Guatemala,Greece, moldova.Certainly, competitive price, suitable package and timely delivery will be assured as per customers' demands. We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators.