Hebei guangtong 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. Whether selecting a current product from our catalog or seeking assistance for your application, you are welcomed to talk to our customer service center about your sourcing requirements. We would like to establish direct business relations with you on the basis of equality and mutual benefit. We are sincerely waiting your kindly and prompt enquiry.