Trung Tam Dich Vu Phan Tich Thi Nghiem Thanh Pho Ho Chi Minh (Ntnn) Address: 2 Nguyen Van Thu, Da Kao Ward, District 1, Ho Chi Minh City Enterprise code: 0312761521 Phone: 02839100824 Representative: Chu Van Hai Adress: 2 Nguyen Van Thu P.Dakao, District 1, Ho Chi Minh City Da Kao Ward, District 1, Ho Chi Minh CityFounding date: 28 - 4 - 2014