Thuong Mai Dich Vu Du Lich Hoang Long Son LTD Address: 60/36 Nguyen Khuyen, Ward 12, Binh Thanh District, Ho Chi Minh City Enterprise code: 0311923392 Phone: 0904346638 Representative: Nguyen Duy Phuong Adress: No 5 Yersin, Ward 10, Da Lat City, Lam Dong Province Ward 12, Binh Thanh District, Ho Chi Minh CityFounding date: 13 - 8 - 2012