Tan Thanh Lang Son LTD Address: Tan Thanh Hamlet, Dong Tan Commune, Huu Lung District, Lang Son Province Enterprise code: 4900558027 Phone: 02053725686 Representative: Mong Minh Duc Adress: No 155, Tran Quang Khai Street, Chi Lang Ward, Lang Son City, Lang Son Province Dong Tan Commune, Huu Lung District, Lang Son ProvinceFounding date: 15 - 5 - 2010