Dau Tu Phat Trien Va Dich Vu Viet Bac Joint Stock Company Address: No 28, Lane 711, Street 3/2, Tich Luong Ward, Tinh Thai Nguyen, Viet Nam Enterprise code: 4601678728 Phone: 0904336997 Representative: Pham Van Tuyen Tich Luong Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 7 - 10 - 2026