Dau Tu Phat Trien Hoang Long Joint Stock Company Address: Chua Dong Hamlet, Duong Lieu Commune, Hoai Duc District, Ha Noi City Enterprise code: 0500436669 Phone: 02433669456 Representative: Nguyen Hoang Quan Adress: Chua Dong Hamlet, Duong Lieu Commune, Hoai Duc District, Ha Noi City Duong Lieu Commune, Hoai Duc District, Ha Noi CityFounding date: 2 - 5 - 2003