Dich Vu Ky Thuat Blue Star Viet Nam Joint Stock Company Address: No 7 Tran Phu, Dien Bien Ward, Ba Dinh District, Ha Noi City Enterprise code: 0108182884 Phone: 02432191400 Representative: Tran Ngoc Anh Adress: No 155 - A11, An Duong, Yen Phu Ward, Tay Ho District, Ha Noi City Dien Bien Ward, Ba Dinh District, Ha Noi CityFounding date: 13 - 3 - 2018