Cong Nghe Truyen Thong Quang Dung LTD Address: 2nd Floor, Kim Anh Building, No 1, Lane 78, Duy Tan Street, Phuong, Cau Giay District, Ha Noi City Enterprise code: 0111592369 Phone: 0902649886 Representative: Do Quang Thuc Cau Giay Ward, Nam Tu Liem District, Ha Noi CityFounding date: 4 - 8 - 2026