Zhongtian hechuang Erdos coal deep processing demonstration project is a national coal chemical, electric heating and integrated coal chemical demonstration project, which is constructed and operated by Zhongtian Hechuang Energy Co., Ltd. According to the mode of coal chemical electric heating integration and polygeneration, the project is divided into two phases, with a total investment of more than 50 billion yuan. There are 30 Hertz low-voltage capacitors, 20 low-voltage reactors and 20 thyristor switching regulators.