ESEPCE 2021 was successfully held online on June 18, The conference changed to online due to COVID-19, The conference is honored to invite Prof. Nazri bin Ali from Universiti Teknologi Malaysia, Prof. Jian-Guo Dai from the Hong Kong Polytechnic University and Assoc. Prof. Hazem Samih mohamed from Southwest Petroleum University, Many thanks to the experts and scholars for their support to the conference. ESEPCE 2020 was held online and attended by scholars from domestic and international professional fields. The conference was held to promote the industrialization of academic achievements and create a more professional platform, while providing the audience with the opportunity to exchange new ideas and application experience with the keynote speakers face to face.