The construction gypsum drying project of Henan Xinfa Group with an annual output of 2 million tons is to process and comprehensively utilize the gypsum produced by desulfurization in power plants. The project is a demonstration base of the "Double Hundred Project" of the National Development and Reform Commission, designed by China New Building Materials Design and Research Institute, and provided by Tiantong New Environmental Technology Co., Ltd. with disc dryers. The project started construction in August 2018 and was completed and put into operation in December. It is the largest desulfurization gypsum production base in China.