Chi Nhanh Cong Ty TNHH Ky Thuat An Toan Vien Dong VN Address: No 17, 12B Ly Nam De Lane, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0302232857-001 Phone: 0247339176 Representative: Nguyen Ngoc Thanh Adress: 43B No Trang Long, Ward 7, Binh Thanh District, Ho Chi Minh City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 27 - 6 - 2001