Changgao Electric Group Co Ltd, formerly Hunan Changgao High Voltage Switchgear Group Co., Ltd., is a China-based company principally engaged in the manufacture and sales of high-voltage switch and low-voltage electrical equipment and distribution boxes. The Company operates through three main segments. The Electric Equipment segment is mainly engaged in the manufacture and sales of isolation switches, ground switches, breakers, photovoltaic combiner boxes and others. The Power Engineering segment is mainly involved in the consultation, design and construction of power engineering, as well as the Engineer, Procure, Construct (EPC) of photovoltaic, wind power and power transmission projects. The New Energy Automobiles segment is mainly involved in the development, design, manufacture of high-voltage distribution boxes and transfer boxes that used for electric vehicles.