Phat Trien Cong Nghe Va Quang Cao Quang Vinh Joint Stock Company Address: No 153 Nguyen Ngoc Vu, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101615627 Phone: 0247831034 Representative: Vu Van Ngai Adress: Cluster 5, Vinh Quang Commune, Vinh Bao District, Hai Phong City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 3 - 2005