O2 was developed to bring the joy and mystery of science to students and uses its cover design to immediately illustrate that purpose. O2’s symbol highlights the brand’s place in Korean science education by employing consonants from the Korean alphabet. The symbol is applied to the same location on all textbook covers to present O2’s identity with both consistency and continuity. As a result, this identity is conveyed by various other promotional products carrying the symbol for O2 customers.

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.