Trong Rung Son Lam Joint Stock Company Address: Cai Vang Hamlet, Dong Hung Commune, Luc Nam District, Bac Giang Province Enterprise code: 2400372863 Phone: 0913069455 Representative: Duong Thi Minh Nguyet Adress: Tan Thanh, Dong Tan, Huu Lung District, Lang Son Province Dong Hung Commune, Luc Nam District, Bac Giang ProvinceFounding date: 9 - 3 - 2007