Tu Van Ky Thuat Va Thuong Mai Ha Quang Joint Stock Company Address: No 18, Alley 11, 82 Nguyen Phuc Lai Lane, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101840238 Phone: 0245148788 Representative: Pham Gia Hung Adress: Hamlet 6, Dong Ngac Commune, Tu Liem District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 16 - 12 - 2005