Bien Sao Joint Stock Company Address: Cau Chan Hamlet, Lam Cot Commune, Tan Yen District, Bac Giang Province Enterprise code: 2400644228 Phone: 02043833396 Representative: Duong Van Bien Adress: Van Chung Hamlet, Lam Cot Commune, Tan Yen District, Bac Giang Province Lam Cot Commune, Tan Yen District, Bac Giang ProvinceFounding date: 17 - 5 - 2013