Thuong Mai Va Dau Tu Phat Trien Y Te Phuong Bac Joint Stock Company Address: No 99 Le Duan, Cua Nam Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101838165 Phone: 02435682788 Representative: Do Duc Tinh Adress: No 37 Tap The Khao Sat, Phuc Xa Ward, Ba Dinh District, Ha Noi City Cua Nam Ward, Hoan Kiem District, Ha Noi CityFounding date: 13 - 12 - 2005