Thuong Mai Dich Vu Ky Thuat Duc Nghia Joint Stock Company Address: 21/12D Hau Giang, Ward 4, Tan Binh District, Ho Chi Minh City Enterprise code: 0303990941 Phone: 02839480059 Representative: Nguyen Duc Hieu Adress: 21/12D Hau Giang, Ward 4, Tan Binh District, Ho Chi Minh City Ward 4, Tan Binh District, Ho Chi Minh CityFounding date: 23 - 9 - 2005