Phat Trien Giao Duc Va Nguon Luc Columbus Joint Stock Company Address: No 379, Da Nang Street, Dong Hai 1 Ward, Hai An District, Hai Phong City Enterprise code: 0202271394 Phone: 0981928679 Representative: Nguyen Thi Anh Quynh Dong Hai 1 Ward, Hai An District, Hai Phong CityFounding date: 10 - 2 - 2025