Thuong Mai Khoa Hoc Ky Thuat Vien Thong Tuan Phong LTD Address: KM 14+900, Lien Ninh Commune, Thanh Tri District, Ha Noi City Enterprise code: 0101687290 Phone: 0248611439 Representative: Tran Thi Ca Adress: KM 14+900, Lien Ninh Commune, Thanh Tri District, Ha Noi City Lien Ninh Commune, Thanh Tri District, Ha Noi CityFounding date: 23 - 6 - 2005