Phat Trien Truyen Thong Va Quang Cao Hoang Khanh LTD Address: No 4a, Lane 150/82/1, Tan Khai Street, Vinh Hung Ward, Hoang Mai District, Ha Noi City Enterprise code: 0110888980 Phone: 0969012688 Representative: Pham Huyen Trang Founding date: 14 - 11 - 2024