Dien Tu- Tin Hoc Quang Binh Joint Stock Company Address: No 56 Quang Trung, Hai Dinh Ward, Dong Hoi City, Quang Binh Province Enterprise code: 3100194770 Phone: 02323822034 Representative: Truong Quoc Hai Adress: K92/4 Tran Binh Trong, Hai Chau Ii Ward, Hai Chau District, Da Nang City Hai Dinh Ward, Dong Hoi City, Quang Binh ProvinceFounding date: 3 - 10 - 1998