Halcyon Viet Nam Joint Stock Company Address: No 99, Nguyen Thi Dinh Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0108951794 Phone: 0912096098 Representative: Tran Trung Kien Adress: P103, B14, Tan Mai Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 10 - 2019