So 1 Trang Tien Joint Stock Company Address: No 90, Y Lan Street, Dang Xa Commune, Gia Lam District, Ha Noi City Enterprise code: 0105775614 Phone: 02436782875 Representative: Nguyen Hoai Bich Adress: Han Lac Hamlet, Phu Thi Commune, Gia Lam District, Ha Noi City Dang Xa Commune, Gia Lam District, Ha Noi CityFounding date: 16 - 1 - 2012