Worth it. Wang Jinhai is a day doctor in the Department of Civil Engineering of Zhejiang University, and Companion Learning 365 is a large-scale K 12 autonomous learning platform produced by China Education Publishing Network. You can listen to the teachings and doubts of the top domestic teachers of nearly one million students in China, and explain them carefully. It is cost-effective and worth buying. Wang Jinhai, male, China nationality, founder of Fu Ying Education, executive director and general manager of Hangzhou Fu Ying Education Technology Co., Ltd.