Yellow Green Co. Ltd. launched world?s first Firefighting Creation Children's books App series "Ray's Fire Station" and 11 Fire Engine Characters Business Overview: World's first Firefighting Character development & global marketing as Digital Contents - App Store paid download in 40 countries in the world ($3.99) - Korea's first Fairy book App performing Apple's global promotion Proposal / App Award Korea Education Section Grand Prize Future Prospect of Demand & Sales Plan : Character Business Area Expansion domestic and overseas by continuously Publishing World's first Fire Engine Creative Children's stories series "Ray's Fire Station"
