Changsha Guotong Electrical Technology Co., Ltd. is a specialized company integrating the R&D, design and marketing of power system automation products as well as related services. Our company also provides total solutions concerning power automation systems, covering microprocessor-based protection for substations, thermal power stations, hydropower stations, pumping stations, power transformers and distribution stations for industrial and mining enterprises.

After years of development, our company has formed a modern enterprise management system which is oriented toward technology and quality. Now our company has become a well-known high-tech enterprise in power system automation in China.