Thuong Mai Va Dich Vu Ky Thuat Tam Long Joint Stock Company Address: No 19, Lane 149, Nguyen Ngoc Nai Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101945230 Phone: 0242851134 Representative: Do Tien Suong Adress: Tien An Hamlet, Ly Hoc Commune, Vinh Bao District, Hai Phong City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 18 - 5 - 2006