Ky Thuat Va Thuong Mai Thanh Vinh Joint Stock Company Address: No 70 Dong Tam, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101416501 Phone: 0248691595 Representative: Hoang Duc Vinh Adress: No 70C Dong Tam P.Dong Tam, Hai Ba Trung District, Ha Noi City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 10 - 11 - 2003