Cong Nghe VNS Thang Long Joint Stock Company Address: No 5, Lane 1, Tay Son Street, Yet Kieu Ward, Ha Dong District, Ha Noi City Enterprise code: 0105257443 Phone: 02462970179 Representative: Phan Ha Hai Ly Adress: Khu 6, Dau Duong Commune, Tam Nong District, Phu Tho Province Yet Kieu Ward, Ha Dong District, Ha Noi CityFounding date: 14 - 4 - 2011