Cong Nghe Tre Viet Nam Joint Stock Company Address: No 23B, Chua Lien Hoa Lane, Kham Thien, Kham Thien Ward, Dong Da District, Ha Noi City Enterprise code: 0101647837 Phone: 0245122063 Representative: Do Hai Phu Adress: No 256D, Thuy Khue Street, Thuy Khue Ward, Tay Ho District, Ha Noi City Kham Thien Ward, Dong Da District, Ha Noi CityFounding date: 9 - 5 - 2005