Thuong Mai Va Phat Trien Ky Thuat Thanh Dong LTD Address: No 95, Hang Ma Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101536090 Phone: 0248295012 Representative: Trinh Thi Thanh Adress: No 95, Hang Ma Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 3 - 10 - 2004