It is a leading and internationally renowned manufacturer of energy products such as excitation systems, power supply equipment, and battery testing equipment. Excitation products cover hydro-generator sets, pumped-storage sets, steam turbine generator sets and synchronous motor sets with capacities ranging from 0.5 to 1000 MW; it has a product chain ranging from hundreds of amperes to hundreds of thousands of amperes, and power equipment covers power, electronics, Chemicals, metallurgy, building materials, home appliances, and many other fields; battery testing equipment can provide automatic logistics systems, high-temperature pressure formation equipment, tray-type high-precision/high-stability formation/capacitance equipment, open-frame high-precision formation/capacitance equipment, High-precision battery performance and life testing equipment, single (group) power battery performance testing equipment, and battery internal resistance tester, etc.