Hejian Fanglei Drill Equipment Co., Ltd was founded in 1998, and is one of the most professional companies that specilizes in the drilling equipment. We can supply a large quantity of new and used PDC bits, tricone bits,multicone bits,drilling tools, drill pipes and drill collars, etc. And various sizes is available. Besides, the products have good quality and reasonable price.If you are interested in rock bits, please contact me now. We are waiting for cooperating with you and your company sincerely.