HNAC Technology Co., Ltd. provides solutions for water conservancy, electric power, environmental protection and water treatment, and industrial control in China and internationally. It offers mechanical and electrical equipment comprising vertical and horizontal Francis turbines, axial flow turbines, speed regulators, turbine inlet valves, AC synchronous generators, microprocessor based excitation systems, alternating and direct current systems, monitoring and protection systems, switchgears, and switchyards; diesel generators and mobile lighting towers; computer monitoring systems; energy storage system solutions; integrated charging piles; liquid level, radar current, and flow meters; and ultrasonic water meters. The company also provides engineering contracting services for substation, hydropower stations, environmental protection and water treatment, new energy, and pump station projects. In addition, it offers operation and maintenance services for hydropower station, water conservancy, environmental water treatment, power distribution network, power transformation and distribution, new energy, and other fields. Further, the company engages in research and development, and production of back-end equipment for lithium battery automatic production line; production and sale of environmental protection equipment; provision of water treatment engineering, and investment and investment management services. The company was founded in 1993 and is based in Changsha, China.