Duong Cong Son LTD Address: Van Coc 2 Hamlet, Van Trung Commune, Viet Yen District, Bac Giang Province Enterprise code: 2400767043 Phone: 0965226927 Representative: Nguyen Thi Mai Adress: Van Coc 2 Hamlet, Van Trung Commune, Viet Yen District, Bac Giang Province Van Trung Commune, Viet Yen District, Bac Giang ProvinceFounding date: 15 - 7 - 2015