Phat Trien Hoang Thanh Joint Stock Company Address: No 2/413, Hoang Quoc Viet Street, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0102389699 Phone: 0242871901 Representative: Nguyen Manh Duc Adress: No 113 Nguyen Khuyen, Van Mieu Ward, Dong Da District, Ha Noi City Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 10 - 2007