Thang Long Tay Bac Joint Stock Company Address: Cau Thia Hamlet, Phu Nham Commune, Phu Nham Commune, Van Chan District, Yen Bai Province Enterprise code: 5200567645 Phone: 02163897519 Representative: Nguyen Duc Son Adress: 27, B4B Bach Khoa, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Phu Nham Commune, Van Chan District, Yen Bai ProvinceFounding date: 13 - 8 - 2010