Dau Tu Va Thuong Mai Hoang Nam Son LTD Address: 198/68/21a Nguyen Van Linh, Thach Ban Ward, Long Bien District, Ha Noi City Enterprise code: 0109871460 Phone: 0984728875 Representative: Trinh Hoai Son Thach Ban Ward, Long Bien District, Ha Noi CityFounding date: 27 - 12 - 2021