Feisyn LTD Address: 9th Floor Toa Minori, No 67a Truong Dinh, Tuong Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0111450438 Phone: 0996762868 Representative: Pham Thi Ha Tuong Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 7 - 4 - 2026