Dau Tu Va Cong Nghe Phuong Duy Joint Stock Company Address: No 117, Lane 84, Ngoc Khanh Street, Giang Vo Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102295539 Phone: 0242119147 Representative: Tran Duy Lan Adress: No 168, Civil Group 7, Ngoc Thuy Ward, Long Bien District, Ha Noi City Giang Vo Ward, Ba Dinh District, Ha Noi CityFounding date: 22 - 6 - 2007