Invited by Professor Li Shengtao, Executive Deputy Director of the State Key Laboratory of Electrical Insulation and Power Equipment, Professor Chen Guanghui from the University of Southampton, UK, recently visited the laboratory. On the morning of April 9, 2024, Professor Chen Guanghui delivered a fascinating academic report titled "Research on HVDC Insulating Materials" to the faculty and students at the laboratory. Over 30 faculty members and students participated in this report meeting.