Be Tong Va Xay Dung Quoc An Joint Stock Company Address: Chua Hamlet, Tang Tien Commune, Viet Yen District, Bac Giang Province Enterprise code: 2300783757 Phone: 0903432033 Representative: Do Van Quy Adress: Hoang Lau Hamlet, Hong Phong Commune, An Duong District, Hai Phong City Tang Tien Commune, Viet Yen District, Bac Giang ProvinceFounding date: 25 - 7 - 2013