Techzen LTD Address: 10th Floor, Cong Vien Phan Mem Da Nang, 02 Quang Trung, Thach Thang Ward, Hai Chau District, Da Nang City Enterprise code: 0402131940 Phone: 0934962590 Representative: Le Duy Linh Thach Thang Ward, Hai Chau District, Da Nang CityFounding date: 14 - 1 - 2022