Tu Van Va Dau Tu Giao Duc Happy One LTD Address: Can A3 01 02 And A3 01 03 Hoang Anh Gold House, 187a Le Van Luong, Hamlet 71, Xa, Nha Be District, Ho Chi Minh City Enterprise code: 0319172275 Phone: 0986438868 Representative: Nguyen Thi Thu Ho Chi Minh CityFounding date: 22 - 9 - 2025