重庆忠县至武汉的天然气管道工程已于2004年底开始向湖北全面供气。按照《国家发展改革委关于忠县-武汉输气管道工程天然气价格有关问题的批复》(发改价格[2004]2971号)(以下简称“2971号文”)规定,自湖北、湖南两省通气后一年开始实行“两部制”的价格政策,并同时制定了忠武线 Chongqing Zhongxian to Wuhan gas pipeline project started in late 2004 to Hubei full gas supply. In accordance with the “Reply of the National Development and Reform Commission on Relevant Issues on Natural Gas Prices in Zhongxian-Wuhan Gas Pipeline Project” (Issue No. [2004] No. 2971) (hereinafter referred to as Circular 2971), ventilation from Hubei and Hunan provinces The year after the implementation of the “two systems” price policy, and at the same time developed a loyalty line