Changsha Guotong Electrical Technology Co., Ltd. is a B2B manufacturer and trading company based in Changsha, China, specializing in the R&D, design, production, and sales of microcomputer protection and integrated automation systems. Established in 2009, the company operates with 51-100 employees and has an annual revenue ranging from USD 5 million to USD 10 million. They possess a factory and a production and office area of 20,000 square meters, emphasizing technology, quality, and service. The company offers a comprehensive range of electrical control and protection systems, including protection relays (generator, motor, transformer, line), SCADA systems, electric control panels, DC power systems, substation automation systems, hydropower station automation systems, and unit excitation systems. Their GT8000 series is particularly notable, applicable to transformer substations, hydropower stations, switch stations, pumping stations, power plants, and various industrial facilities up to 110kv. Changsha Guotong Electrical Technology provides both OEM and ODM services and holds ISO 9001 certification. With a strong international presence, they export to numerous countries across the Middle East, East Europe, South Africa, Southeast Asia, and South America.
Microcomputer Numerical Composite Digital Motor Protection Relay$800
Synchronizing Check and Control Device$100
Transformer Backup Protection and Measuring Unit$850
Hydropower Integrated Automatic Protection and Control Equipments$5000