Our company insists all along the quality policy of product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff and the consistent purpose of reputation first, customer first for rotating head factory, IADC417 12.25"rock bit, TCI tricone bit IADC417, drill bit for water well,carbide drill bit IADC537. Welcome your visiting and any your inquires,sincerely hope we can have chance to cooperate with you and we can build up long well business relationship with you. The product will supply to all over the world, such as Europe, America, Australia,The Swiss, Nairobi,Finland, Mecca.We have now a good reputation for stable quality goods, well received by customers at home and abroad. Our company would be guided by the idea of Standing in Domestic Markets, Walking into International Markets. We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!