Hejian Chuanda Rock Bit Manufacturing Co, .Ltd. begins from 1990.It is located in Hebei Province of China. Hejian Chuanda Rock Bit Manufacturing Co, .ltd is a professional supplier of new and used (rebuilt) drill bits used for oil fields and water wells, including tricone bits, PDC bits and drill pipes. Various models and dimensions are available. Here, our experienced staff to assist you all the options bit, and shipped around the world. We focus on improving the quality of products at the same time, reduce total cost to satisfy every customer&＃039;s demand and purchasing target. With many years of experience, products, contact, sustained excellence in customer service and technology, will provide the best quality products and services in the world all customers. To establish a long-term relationship of cooperation, the world of the customers is our eternal goal.</p>