Cong Nghe So Khai Tam Joint Stock Company Address: No 33, Lane 34/68, Hoang Cau Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0108336277 Phone: 0961955155 Representative: Ngo Xuan Tung O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 22 - 6 - 2018