Thuong Mai & Ky Thuat May Tinh An Khang Joint Stock Company Address: No 671, Ba Trieu Street, Dong Kinh Ward, Tinh Lang Son, Viet Nam Enterprise code: 4900932179 Phone: 0983416628 Representative: Vy Quang Toi Lang Son ProvinceFounding date: 23 - 8 - 2025