Ot Vang Joint Stock Company Address: No 17 Civil Group 44, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106798678 Phone: 0926699266 Representative: Tran Thi Thu Hang Adress: No 17 Civil Group 44, Yen Hoa Ward, Cau Giay District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 24 - 3 - 2015