Phat Trien Tan Thanh Joint Stock Company Address: Trung Quan Hamlet, Yen Thuong Commune, Gia Lam District, Ha Noi City Enterprise code: 0101512935 Phone: 0248272543 Representative: Le Thi Thanh Ha Yen Thuong Commune, Gia Lam District, Ha Noi CityFounding date: 2 - 8 - 2004