Guan Weidong (namely GWD) is the first person to be educated in Zhi Bo. In April, I learned that they had an activity with their representatives in the Asia-Pacific region. Teacher Yu also introduced OG 13 and some examples of new questions, and answered some misunderstandings about the exam in the past. Guan Weidong began to talk about new topics in May. You can Baidu his intellectual education and training institution yourself.