Cong Nghe Vat Lieu Tien Tien Joint Stock Company Address: Cuu Viet Civil Group, Trau Quy Town, Gia Lam District, Ha Noi City Enterprise code: 0102542989 Phone: 0246762856 Representative: Dang Viet Quang Adress: Kinh Dien Hamlet, Tan Vien Commune, An Lao District, Hai Phong City Trau Quy Town, Gia Lam District, Ha Noi CityFounding date: 26 - 11 - 2007