Thuong Mai - DV Ky Thuat Cong Nghe Dong Tien LTD Address: 8 Ton Duc Thang, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0101199984 Phone: 0247338717 Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 15 - 1 - 2002