C384 The Information Was in His Hands

After Xu Guoqiang departed, Tang Haodong made a beeline for the second floor of the school library. Previously, Wang Tianyu, the son of Qingbei University Mathematics Department Professor Wang Xiaofeng, had been so impressed by Tang Haodong that he'd sent a friend request on WhatsApp. At the time, Tang Haodong hadn't thought much of it, but now it proved to be quite useful