Phat Trien Ky Thuat Le Nguyen Joint Stock Company Address: Dau Hamlet, Di Trach Commune, Hoai Duc District, Ha Noi City Enterprise code: 0105896753 Phone: 0914915319 Representative: Le Van Dai Di Trach Commune, Hoai Duc District, Ha Noi CityFounding date: 23 - 5 - 2012