Opti Solution Viet Nam LTD Address: 9th Floor, Toa Thap Vit Tower, No 519 Kim Ma, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0107627160 Phone: 02432151646 Representative: Le Thuy Chau Adress: No 47, Nguyen Duc Canh Street, Tuong Mai Ward, Hoang Mai District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 8 - 11 - 2016