As promoted by the Aragonese Foundation for Research & Development of Aragon Government (ARAID), University of Zaragoza and Nanjing Tech University, the Sino-Spanish Research and Innovation Forum aims to gather main shareholders promoting initiatives and fostering bilateral collaboration between Spain and China. The 1st Sino-Spanish Research and Innovation Forum was successfully held in Zaragoza, Spain on 7 June 2018. The second forum was successfully held in Nanjing on October 27-29, 2019. The 2021 China-Spain Technology and Innovation Forum will be held on November 29, 2021 in a hybrid form and hosted by Nanjing Tech University. The theme of the forum is “Materials and Nanotechnology”, which aims to bring together experts and scholars in related fields from China and Spain to trigger academic discussion and exchange of results, consolidate practical cooperation, and promote industry technology transfer.