Ha Tang Vien Thong Truong Tin LTD Address: No 172 Bui Thi Xuan, Xuan Huong - Da Lat Ward, Tinh Lam Dong, Viet Nam Enterprise code: 5801566029 Phone: 0793726688 Representative: Phan Vu Hoang Chuong Da Lat City, Lam Dong ProvinceFounding date: 5 - 2 - 2026