Dau Tu Sigma LTD Address: 60 Tong Duy Tan, Lam Son Ward, Thanh Hoa City, Thanh Hoa Province Enterprise code: 2802924352 Phone: 0919058678 Representative: Nguyen Hoai Nam Adress: No 5 Le Huu Lap, Lam Son Ward, Thanh Hoa City, Thanh Hoa Province Lam Son Ward, Thanh Hoa City, Thanh Hoa ProvinceFounding date: 28 - 1 - 2021