Ky Thuat Cong Nghe Thien Viet Joint Stock Company Address: No 7, Hem 50/5, Thai Thinh Ii Lane, Thinh Quang Ward, Dong Da District, Ha Noi City Enterprise code: 0102255818 Phone: 02435624990 Representative: Vu Tien Cuong Adress: No 11, Lane 119, Tay Son Street, Quang Trung Ward, Dong Da District, Ha Noi City Thinh Quang Ward, Dong Da District, Ha Noi CityFounding date: 18 - 5 - 2007