Thiet Bi Va Dich Vu Vien Thong Mien Bac Joint Stock Company Address: No 38a, 278/42/36 Thai Ha Lane, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0105494807 Phone: 02485828169 Representative: Nguyen Manh Hai Adress: Phuc Loc Hamlet, Phu Loc Commune, Nho Quan District, Ninh Binh Province Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 12 - 9 - 2011