Be Tong Va Phat Trien Ha Tang Hai Phong Joint Stock Company Address: No 667B Ngo Gia Tu, Dang Lam Ward, Hai An District, Hai Phong City Enterprise code: 0200600526 Phone: 02253725156 Representative: Nguyen Thi Sanh Adress: Quarter 6, Ninh Giang Town, Ninh Giang District, Hai Duong Province Dang Lam Ward, Hai An District, Hai Phong CityFounding date: 7 - 10 - 2004