Khoang San Tu Anh Joint Stock Company Address: Nha Ong Cao Ngoc Nam, Hung Linh Hamlet, Bien Thuong Commune, Tinh Thanh Hoa, Viet Nam Enterprise code: 2803249421 Phone: 0904500519 Representative: Tran Quang Ngan Bien Thuong Commune, Vinh Loc District, Thanh Hoa ProvinceFounding date: 5 - 10 - 2026