On December 13, Daquan Group and Xi'an Jiaotong University held a signing ceremony of the cooperation of Advanced Electrical Technology Research Institute in Daquan Nanjing Research Institute. Wang Tiejun, vice president of Xi'an Jiaotong University and Ge Fei, the executive president of Daquan Group, signed the contract. Xu Xiang, president of Daquan Group, Pei Jun, general manager of Daquan Group Technology Center, and more than ten professors such as Rongshizhe, vice chancellor of Xi'an Jiaotong University participated in the signing ceremony .