Hebei Litonglian Seamless Steel Pipe Co., Ltd., approved by Hebei Development and Reform Commission, was co-funded by Hebei Litonglian Steel Tube Co., Ltd. and Hong Kong Dacheng Group, The company has a registered capital of 88 million yuan, covering an area of 280,000 square meters, and a total investment of 320 million yuan. The main products of the company include oil casing, oil well pipes and high-voltage station boiler tubes, which can stand high-temperature with high-intensity.