Ky Thuat Moi Truong S4T LTD Address: 38a, Van Phuc Thuong Street, Cong Vi Ward, Ba Dinh District, Ha Noi City Enterprise code: 0103692419 Phone: 02437668362 Representative: Vu Dinh Hieu Adress: 38a, Van Phuc Thuong Street, Cong Vi Ward, Ba Dinh District, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 13 - 4 - 2009