Trinh Son Address: Ki Ot So 7, Cho Han, Hai Chau I Ward, Hai Chau District, Da Nang City Enterprise code: 0400299063 Phone: 02363837762 Representative: Nguyen Thi Trinh Adress: 25 Hoa Cuong Civil Group, Phuoc Ninh Ward, Hai Chau District, Da Nang City Hai Chau I Ward, Hai Chau District, Da Nang CityFounding date: 26 - 10 - 2005