Do Dac - Thiet Ke Hieu Khang LTD Address: 82 Tran Ba Giao, Ward 5, Go Vap District, Ho Chi Minh City Enterprise code: 0304697209 Phone: 0289857020 Representative: Tran Ngoc Kha. Adress: Dong Hamlet, Tam Xa Commune, Dong Anh District, Ha Noi City Ward 5, Go Vap District, Ho Chi Minh CityFounding date: 23 - 11 - 2006