Established in the year of 1993, Huazi Science & Technology Co., Ltd (HNAC) is located in Lu Valley National High-tech Industrial Development Zone in Changsha. HNAC can give one-stop services in large-scale water conservancy and hydropower engineering from investigation, design, equipments configuration, transportation, equipments installation, equipments and projects debugging, after service for maintain...etc. Products range involves turbines, generator, Hydraulic valve, overhead crane, governor, excitation, monitoring and control system, HV&LV switchgear cabinet, transformers,...