We are Hejian Petroleum Drilling Equipment Sales Co., Ltd., located in Cangzhou. Our company is a business entity specializing in the development, production, distribution, and after sales service drilling equipment. We are manufacture, design, research and develop PDC drill bits for oilfield, small-bore PDC drill bits for coalfield and almost all kinds of Tricone rock bits. Products not only win the trust of domestic users, but also are exported to Southeast Asia, Russis, America and Africa. Currently, our company has 15 sales outlets and many export agents in domestic market. If you are interested in our product, we will be happy to send you any futher information. Don�¢ï¿½ï¿½t hesitate to contact us and welcome to visit our factory. We are looking forward to serving for you as our cooperating partner.