Hoang Son Joint Stock Company Address: No 8, Lane 7, Doc Thiet Street, Hung Binh Ward, Vinh City, Nghe An Province Enterprise code: 2900677888 Phone: 02383849066 Representative: Le Nguyen Hien Vinh Adress: Khoi 7, Truong Thi Ward, Vinh City, Nghe An Province Hung Binh Ward, Vinh City, Nghe An ProvinceFounding date: 14 - 11 - 2005