1. The information comes from Qufu Jiye Education Technology Co., Ltd., located in the north of Bowen Street, Qufu City. The company has launched "quick and easy composition", "quick and easy reading" and "quick and easy writing".

2. Qufu Happy Valley Express Composition Research Institute is a professional research and training institution integrating composition joining chain business, composition training and research for primary and secondary school students, and organizing various competitions. There are teacher training department, teaching department, marketing department, activity department and teaching material research and development department.