No China Micro-course Network (Primary and Secondary Micro-course Competition) has the largest number of excellent micro-courses in China and the most comprehensive coverage of subject knowledge points, and it is free, so you can learn the production and design of micro-courses. China Micro-lesson Network is the official website of China Micro-lesson Competition sponsored by Guangzhou Weiming Zhongzhi Education Technology Co., Ltd. It is the leading educational cloud platform in China and has the richest micro-lesson videos.