Truyen Thong Happy Blue LTD Address: No 135, 271 Bui Xuong Trach Lane, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109493522 Phone: 0916499988 Representative: Nguyen Thi Bich Hanh Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 13 - 1 - 2021