DokHaeTok is a reading comprehension brand. It provides an exciting learning experience through book and mobile app. The book is divided into five thin theme books. Children can read stories in theme books and repeat it with the app. In the app, there is chatbot who helps children answering questions. Connection between book and mobile app can help children feel reading is fun. DokHaeTok also provides a variety of learning-related items, such as study notes and mobile phone cases to encourage children.

In order to enable the children to lead diverse learning activities by themselves, VISANG has been endeavoring to make the perfect study materials. As a result, VISANG workbooks recorded the sales of over 100 million copies until now. By doing so, VISANG workbooks have become located as a perfect partner ideal for self-learning. In order to enable everyone who desires to learn without settling for textbooks, VISANG offer equal opportunity for our education without any conditions. It's fame continued by introducing the masterpiece textbooks, which contain the Ministry of Education's vision and the values of VISANG based on the know-how of VISANG only. Publishing the national textbooks for elementary schools starting 2016 using top editorial manpower and the latest printing facility, it has been receiving recognition for its capabilities regarding textbooks, its development of the teaching materials, the editing, and its publications despite its short history.

In order to enable the children to lead diverse learning activities by themselves, VISANG has been endeavoring to make the perfect study materials. As a result, VISANG workbooks recorded the sales of over 100 million copies until now. By doing so, VISANG workbooks have become located as a perfect partner ideal for self-learning. In order to enable everyone who desires to learn without settling for textbooks, VISANG offer equal opportunity for our education without any conditions. It's fame continued by introducing the masterpiece textbooks, which contain the Ministry of Education's vision and the values of VISANG based on the know-how of VISANG only. Publishing the national textbooks for elementary schools starting 2016 using top editorial manpower and the latest printing facility, it has been receiving recognition for its capabilities regarding textbooks, its development of the teaching materials, the editing, and its publications despite its short history.