To Hop Tac Dung Nuoc Thon Vang Address: Vang Hamlet, Bich Son Commune, Viet Yen District, Bac Giang Province Enterprise code: 2400570551 Phone: 0974687068 Representative: Nguyen Binh Adress: Vang Hamlet, Bich Son Commune, Viet Yen District, Bac Giang Province Bich Son Commune, Viet Yen District, Bac Giang ProvinceFounding date: 19 - 10 - 2011