HNAC Technology Co., Ltd. (Stock Code: 300490), authorized to be Changsha Base under UNIDO International Center on Small Hydropower, was founded in 1990s in Changsha city, Central China’s Hunan province. HNAC is specialized in complete equipment supply and EPC contracting service for hydropower stations, pump stations, power transmission & transformation projects, water treatment plants and photovoltaic power generation projects etc.

HNAC has a leading market share in power plant and pump station automation control equipment in China. The products are used in some national key projects such as South-to-North Water Diversion Project, Shanghai-Kunming High-speed Railway and Daqing Oilfield.  By the end of 2017, HNAC has provided its products and services to over 40 countries and 7,000 plants and stations mostly distributed in Asia, Africa and South America and also set up branch offices in Myanmar, Pakistan, Russia, Sri Lanka and Zambia.