Tap Doan K-One Group Joint Stock Company Address: No 4, Alley 69, Lane 174, Civil Group 18, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109211344 Phone: 0782718389 Representative: Dinh Thi Huyen Adress: Phuc Vuong Hamlet, Phuc Ung Commune, Son Duong District, Tuyen Quang Province Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 5 - 6 - 2020