Hoang Nguyen Tech Address: 39/18L Dong 1-2 Hamlet, Thoi Tam Thon Commune, Hoc Mon District, Ho Chi Minh City Enterprise code: 0314314737 Phone: 0282862566166 Thoi Tam Thon Commune, Hoc Mon District, Ho Chi Minh CityFounding date: 27 - 3 - 2017