Dich Vu Ky Thuat Tong Hop Thanh Cong LTD Address: No 44a, Lane 81, Tran Cung Street, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0106208872 Phone: 02485878039 Representative: Nguyen Huong Ly Adress: Dong Tan Commune, Huu Lung District, Lang Son Province Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 6 - 2013