Vien Thong Hoang Hao LTD Address: No 78, Z115 Street, Civil Group 55, Phan Dinh Phung Ward, Tinh Thai Nguyen, Viet Nam Enterprise code: 4601669699 Phone: 0983441189 Representative: Doan Thi Luyen Phan Dinh Phung Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 18 - 6 - 2026