Trung Tam Hoi Thao Khoa Hoc Do Son Address: Khu 3, Van Huong Ward, Do Son District, Hai Phong City Enterprise code: 0200580125 Phone: 02125861200 Representative: Nguyen Huu Nhan Adress: No 14, Cau Tre Civil Group, Ngoc Xuyen Ward, Do Son District, Hai Phong City Van Huong Ward, Do Son District, Hai Phong CityFounding date: 29 - 3 - 2004