Thuong Mai & Ky Thuat Trung A Joint Stock Company Address: 36 Dong Bai 2, Hoa Khanh Nam Ward, Lien Chieu District, Da Nang City Enterprise code: 0400518519 Phone: 0905795299 Representative: Pham Duy Vu Adress: 36 Dong Bai 2, Hoa Khanh Nam Ward, Lien Chieu District, Da Nang City Hoa Khanh Nam Ward, Lien Chieu District, Da Nang CityFounding date: 29 - 11 - 2005