On December 4th, Li Shengtao, Executive Deputy Director of The State Key Laboratory of Electrical Insulation and Power Equipment, and Sun Liqiong, Full-time Administrative Deputy Director, along with their delegation, visited the State Key Laboratory of Power System Operation and Control at Tsinghua University and the State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources at North China Electric Power University. They conducted in-depth exchanges and learning sessions on the materialization, construction, operation, and daily management of state key laboratories.