HNAC Technology Co., Ltd., together with its subsidiaries, provides intelligent control software and hardware products and system solutions in China and internationally. The company offers energy products, including battery packs, zero carbon cabins, charging piles, energy storage converters, and EMS, as well as residential, commercial, and industrial energy storage systems; hydropower products, such as hydraulic turbines, turbine inlet valves, speed regulators, generators, and excitation systems; mechanical and electrical equipment comprising microcomputer protection measurement and control devices, monitoring and protection system devices, medium and high voltage switchgears, AC&DC systems, and SCADA systems; and measurement meters. It also provides engineering contractor services for new energy, hydropower station, substation, pump station, and water treatment projects; and operation and maintenance services for power station, hydraulic, renewable energy, water plant, and distribution network. In addition, the company offers EPC contracting; installation and commissioning; project investment and financing; rehabilitation and modernization; consulting and design; operation and maintenance; equipment manufacturing and assembly; and technical training. It serves hydropower, new energy and energy storage, power transformation and distribution, and water treatment and conservancy industries. The company was founded in 1993 and is headquartered in Changsha, China.