Ho Tro Phat Trien Cong Nghe Va Thuong Mai LTD Address: 36 Hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0100516528 Phone: 0245140011 Representative: Nguyen Hanh Phuc Adress: 12 Bich Cau, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 17 - 7 - 1998