Truong THPT Hoang Cau Address: 27, 44 Nguyen Phuc Lai Lane, O Cho Dua Ward, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0103791836 Phone: 02438511976 Representative: Tran Thi Thanh Ha Adress: 27, 44 Nguyen Phuc Lai Lane, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 11 - 5 - 2009