Dau Tu Va Phat Trien Viettech LTD Address: 4th Floor, Anh Minh Building, No 36 Hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0109856825 Phone: 0929263888 Representative: Vu Thi Trang O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 15 - 12 - 2021