Dien Tu Van Nam Tech Vina Joint Stock Company Address: Hamlet 7, Viet Tien Commune, Viet Yen District, Bac Giang Province Enterprise code: 2400812634 Phone: 0916160359 Representative: Nguyen Thi Thuy Van Viet Tien Commune, Viet Yen District, Bac Giang ProvinceFounding date: 5 - 4 - 2017