O To Truong Thanh - Chi Nhanh Tai Ha Noi LTD Address: Highway 3, Du Noi Hamlet, Mai Lam Commune, Dong Anh District, Ha Noi City Enterprise code: 2300224389-001 Phone: 02223837378 Representative: Nguyen Tien Chien Adress: 32 Tran Hung Dao, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Mai Lam Commune, Dong Anh District, Ha Noi CityFounding date: 24 - 11 - 2006