Hai Son Address: 93 Hoang Hoa Tham, Thanh Khe District, Da Nang City Enterprise code: 0400276796 Phone: 02363824507 Representative: Nguyen Nhu Y Adress: 93 Hoang Hoa Tham, Thanh Khe District, Da Nang City Thanh Khe District, Da Nang CityFounding date: 27 - 3 - 1999