Cong Nghe So Hoang Ha Joint Stock Company Address: No 105, Vac Street, Dan Hoa Commune, Thanh Oai District, Ha Noi City Enterprise code: 0103701208 Phone: 02433504503 Representative: Nguyen Duc Hoang Adress: No 105, Vac Street, Dan Hoa Commune, Thanh Oai District, Ha Noi City Dan Hoa Commune, Thanh Oai District, Ha Noi CityFounding date: 15 - 4 - 2009