The “ELECTRA Young Scientists Knowledge Exchange Symposium” took place during Nov 25 to 27, 2019 at Nanjing and Nov 28 to 29, 2019 in Beijing. ELECTRA project Coordinator Professor Philippe Corvini, Scientific coordinator Professor Korneel Rabaey, and Chinese project leader Professor Liu Shuang Jiang jointly organized and participated in the event. Young research investigators play a vital and key role in the implementation of scientific research projects. The academic exchange activities between China and Europe of young researchers are important events promoting China-EU cooperation. The successful realization of this exchange event will further strengthen and promote the implementation and development of China-EU cooperation projects.