Thuong Mai Dau Tu Dich Vu Long Son LTD Address: 12 Le Quy Don, Quarter 4, Binh Tho Ward, Thu Duc District, Ho Chi Minh City Enterprise code: 0308626858 Phone: 02837228888 Representative: Dao Duy Dong Adress: 171, Hoang Dieu 2 Street, Linh Trung Ward, Thu Duc District, Ho Chi Minh City Binh Tho Ward, Thu Duc District, Ho Chi Minh CityFounding date: 20 - 5 - 2009