Vang Bac Ngoc Son An Duong Address: Cam Hamlet, An Duong Commune, Tan Yen District, Bac Giang Province Enterprise code: 2400643263 Phone: 02043879218 Representative: Duong Ngoc Son Adress: Cam Hamlet, An Duong Commune, Tan Yen District, Bac Giang Province An Duong Commune, Tan Yen District, Bac Giang ProvinceFounding date: 2 - 5 - 2013