Mai Son Trang LTD Address: No 8, Chan Cam Street, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0108123889 Phone: 0903342000 Representative: Nguyen Hong Trang Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 9 - 1 - 2018