重庆能源集团打通一矿建矿初期年产量只有3万吨,而目前年生产原煤达到160多万吨,成为西南地区最大的动力煤生产基地。他们打破了专家“综采不过长江”的断言,第一个将综采机械化引到了长江以南,实现了采煤机械化 Chongqing Energy Group to open a mine the first annual output of only 30,000 tons, while the current annual output of more than 1.6 million tons of raw coal to become the largest thermal coal production base in Southwest China. They broke the experts “comprehensive mining but the Yangtze River ” assertion, the first mechanized mining lead to the south of the Yangtze River, to achieve coal mechanization