Dau Tu Thuong Mai Khai Khoang Phung Thanh Joint Stock Company Address: Hamlet 9, Binh An Commune, Tinh Tuyen Quang, Viet Nam Enterprise code: 5000912647 Phone: 0329938323 Representative: Phung Thi Thanh Tuyen Quang ProvinceFounding date: 25 - 9 - 2025