Nguyen Manh Tuan (Trung Tam Tin Hoc Socbay) Address: No 91, Hai Ba Trung, Dong Phu, Dong Hoi City, Quang Binh Province Enterprise code: 3100623885 Phone: 02323850432 Representative: Nguyen Manh Tuan Adress: TK6, Lane 99, Le Thanh Dong, Hai Thanh, Dong Hoi City, Quang Binh Province Dong Phu Ward, Dong Hoi City, Quang Binh ProvinceFounding date: 21 - 6 - 2010