Prof. Shuangquan Zang from Zhengzhou University visited our group Date:Nov 29, 2019 Read times: Dr. Shuangquan Zang, visited our group and college of chemistry on Nov. 27, 2019, and gave us a wonderful lecture entitled with Precise synthesis and assembly of coin-metal clusters. PreNews: Prof. Qian Wan from Huazhong University of Science and Technology visited our group NextNews: Prof. Dan Li from Jinan University visited our group