Det Dong Nam (Ntnn) Joint Stock Company Address: 727 Au Co, Tan Thanh Ward, Tan Phu District, Ho Chi Minh City Enterprise code: 0312871147 Phone: 02838496145 Representative: Pham Phu Chung Adress: 15/27, Street 8, Tang Nhon Phu B Ward, Q9 Tan Thanh Ward, Tan Phu District, Ho Chi Minh CityFounding date: 28 - 7 - 2014