Dau Tu Phat Trien Duy Son LTD Address: No 52, Lane 9, Luong Dinh Cua Street, Kim Lien Ward, Dong Da District, Ha Noi City Enterprise code: 0107501048 Phone: 036266661 Representative: Ha Ngoc Son Adress: Nhan Ly Hamlet, Thanh Long Commune, Yen My District, Hung Yen Province Kim Lien Ward, Dong Da District, Ha Noi CityFounding date: 11 - 7 - 2016