Ky Thuat Thuong Mai An Thanh Son Joint Stock Company Address: No 11, 6/8 Doi Nhan Alley, Vinh Phuc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0103144388 Phone: 02437613534 Representative: Nghiem Van Thuy Adress: Hamlet 11, Nga An Commune, Nga Son District, Thanh Hoa Province Vinh Phuc Ward, Ba Dinh District, Ha Noi CityFounding date: 6 - 1 - 2009