Giai Phap Ky Thuat D'stm LTD Address: No 26, Duong Dinh Nghe Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0111420923 Phone: 0979537703 Representative: Nguyen Hoang Duy Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 19 - 3 - 2026