On the morning of April 20th, the signing ceremony of the new lithium battery ceramic material project of the Academician Nan Zewen of Tsinghua University was held in Jixian County The Mayor of Huai'an, Cailixin, the Standing Committee of the Municipal Party Committee, the Minister of Organization Li Wei, the Dean of the Materials Research Institute of Tsinghua University, the Academician of the Chinese Academy of Sciences, Fengyuchuan, and the Chairman of Jiangsu Qingtao Energy Technology Co.