Giai Phap Va Dich Vu Mastiff Joint Stock Company Address: 7th Floor, Viet A Building, No 9, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0109043788 Phone: 0915102111 Representative: Nguyen Khac Tung Adress: No 25, 3/162 Nguyen Van Cu Alley, Bo De Ward, Long Bien District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 27 - 12 - 2019