Hoi Nguoi Khuyet Tat Thanh Pho Ha Noi Address: 41 Le Quy Don, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0104160424 Phone: 02435379257 Adress: 64/7 Le Lieu, Tan Phu District, Ho Chi Minh City Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 9 - 2009