Vang Bac Hai Khoa Address: Ngoai Hamlet, Tien Luc Commune, Lang Giang District, Bac Giang Province Enterprise code: 2400984418 Phone: 0985063070 Representative: Nguyen Xuan Hai Tien Luc Commune, Lang Giang District, Bac Giang ProvinceFounding date: 16 - 2 - 2024