Dau Tu Phat Trien Cong Nghe Vradion LTD Address: No 2, Lane 141, Ho Dac Di Street, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0105983822 Phone: 0914871115 Representative: Tran Cong Ly Adress: 2, N11 Tap The Binh Doan 11, Nam Dong Ward, Dong Da District, Ha Noi City Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 31 - 8 - 2012