Dau Tu Phat Trien Giai Phap Thiet Bi Giao Duc HTP Viet Nam Joint Stock Company Address: No 1, Lane 47, Cat Linh Street, Dong Da District, Ha Noi City Enterprise code: 0105511989 Phone: 02466553333 Representative: Hoang Thi Chinh Adress: Bai Duong Hamlet, Cam Giang District, Hai Duong Province Dong Da District, Ha Noi CityFounding date: 20 - 9 - 2011