Vien Cong Nghe Moi Truong Address: No 18, Hoang Quoc Viet Street, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0101350508 Phone: 0247910364 Representative: Nguyen Hoai Chau Adress: 42 Tho Nhuom, Hoan Kiem District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 4 - 2003