Thuong Mai Va Dich Vu Bich Ngoc LTD Address: No 41 Nguyen Khuyen, Van Mieu Ward, Dong Da District, Ha Noi City Enterprise code: 0101312037 Phone: 0247471318 Van Mieu Ward, Dong Da District, Ha Noi CityFounding date: 16 - 12 - 2002