Dau Tu Van Son Joint Stock Company Address: No 12 Civil Group 11, Soc Son Town, Soc Son District, Ha Noi City Enterprise code: 0101772281 Phone: 0245951267 Representative: Nguyen Thi Thuy Nga Adress: Civil Group 11, Soc Son Town, Soc Son District, Ha Noi City Soc Son Town, Soc Son District, Ha Noi CityFounding date: 14 - 9 - 2005