Tram Quan Ly Cap Nuoc Sinh Hoat Address: Duc Thinh Street, Van Quan Town, Van Quan District, Lang Son Province Enterprise code: 4900237143 Phone: 0205830190 Representative: Chu Van Thang Adress: Duc Thinh Street, Van Quan Town, Van Quan District, Lang Son Province Van Quan Town, Van Quan District, Lang Son ProvinceFounding date: 12 - 12 - 2005