Hebei Ring Pipe Manufacturing Co. Ltd. (formerly county ring material supply and marketing Limited) County Seamless Steel Tube Plant is set processing, production, marketing one-stop service enterprises. Enzan Seamless Steel Tube Plant, founded in 1997, with a surface area of 24, 000 square meters. Building area of 2400 square meters, existing staff of 112, including nine technicians, seamless tube production machine has three sets annual production capacity of 15, 000 tons. I plant now producing 219-820 models and various non-conventional models, 6mm-30mm thickness of various models seamless tube production, and in accordance with user needs, creating special type seamless pipes. The products are exported to the provinces, cities, to be well received by users, especially some special type pipe. In the large pipe factory production circumstances, I plant products to fill the gap, the solution to the construction unit of special needs.