Tram Bao Ve Thuc Vat Address: TK Hoang Van Thu, Bac Son Town, Bac Son District, Lang Son Province Enterprise code: 4900364906 Phone: 02053837335 Adress: Bac Son District, Lang Son Province Bac Son Town, Bac Son District, Lang Son ProvinceFounding date: 12 - 8 - 2009