Hebei Chuanda tricone bit Manufacturing Co is a professional manufacturer engaged in the research, development, production, sale and service of drill bits, PDC bits, core bits, drag bits, hole openers. Apart from the fact that our products selling well in almost all cities and provinces around China, our products also have enjoyed great popularity in world market, such countries and regions as USA, Europe, the Middle East. We also welcome O E M and O D M orders.
