Cong Nghe O To LLT Joint Stock Company Address: No 6 Civil Group 4, Giang Bien Ward, Long Bien District, Ha Noi City Enterprise code: 0108093578 Phone: 0936534586 Representative: Hoang Van Thang Giang Bien Ward, Long Bien District, Ha Noi CityFounding date: 13 - 12 - 2017