Core Viewpoint - The "Qinjin Mother Tongue Graded Reading Library" has undergone a comprehensive upgrade to provide a more systematic, friendly, and effective graded reading experience for children, focusing on mother tongue education and reading ability development [1]. Group 1: Product Upgrade - The upgraded library maintains its graded system advantages while achieving multi-dimensional breakthroughs, including a reduction in public domain books and the addition of international award-winning works and original books by renowned domestic authors [3]. - The first-grade reading materials now include classics and original works, while the fourth-grade materials have introduced humanities and science books, enhancing the reading experience with a suggested reading order for each grade [3]. Group 2: Text Optimization - The text has been optimized by removing outdated content and ensuring language aligns with each grade's reading level, with corrections made to punctuation and pinyin to protect children's eyesight [3]. Group 3: Supporting Services - A new reading service called "Xiaobu Huidu - Whole Book Graded Reading" has been launched, utilizing an app for interactive learning, guided by Xu Dongmei, the founder of Qinjin Mother Tongue, to help children achieve deep reading of 12 books each year [5]. - The aim is to transition children from "reading good books" to "being able to read," fostering a lifelong reading habit through quality content and services [5]. Group 4: Market Position - Qinjin Mother Tongue has been a pioneer in the Chinese graded reading field for over 20 years, and the library, launched in collaboration with Guomai Culture in 2020, has sold over 3 million copies, solidifying its position as a leader in the industry [5].