Phat Trien Du Lich The Ky LTD Address: 6th Floor, No 10-12, 59 Lang Ha Lane, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0111211006 Phone: 02419004698 Representative: Nguyen Huy Hien O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 10 - 9 - 2025