Shandong Yiben Book Co., Ltd. was established on 20 1 1, which is a wholly-owned subsidiary of Xin Kai Education Group. At present, a product has fully covered primary schools, junior high schools and senior high schools, covering 500 varieties, involving general review, synchronization, special projects and examination papers, and the brand is becoming more and more mature. A series of products focus on training and work hard on products. Chinese topic 1 door and English topic 1 door are the star products of the company. In 20 16, it was selected as one of the TOP 50 most influential brands in China; in 20 17, it won the gold medal in the special category of top list of brand teaching assistants in China; in 20 18, it won the title of "best-selling brand" in private book industry.