Truong Son Lang Son Joint Stock Company Address: Mo Da Hang Cao, Dong Lai Hamlet, Dong Tan Commune, Huu Lung District, Lang Son Province Enterprise code: 4900251010 Phone: 0962568888 Representative: Le Van Hung Adress: Bat Lu Hamlet, Hoan Son Commune, Tien Du District, Bac Ninh Province Dong Tan Commune, Huu Lung District, Lang Son ProvinceFounding date: 2 - 11 - 2006