Dau Tu Va Phat Trien Tam Son Joint Stock Company Address: P204 Nha G1 Khu Tap The Trung Tu, Trung Tu Ward, Dong Da District, Ha Noi City Enterprise code: 0104305895 Phone: 02435735861 Representative: Nguyen Van Hieu Adress: 84 Ton Duc Thang, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Trung Tu Ward, Dong Da District, Ha Noi CityFounding date: 18 - 12 - 2009