Xi Nghiep San Xuat Ong Thep Han Address: KM 6, 70 Ha Dong Street, Van Dien, Thanh Tri District, Ha Noi City Enterprise code: 0100102083-002 Phone: 0248642215 Van Dien Town, Thanh Tri District, Ha Noi CityFounding date: 21 - 12 - 1999