HTX Sua Chua O To Yen Vien Address: 61 Thien Duc, Yen Vien Town, Gia Lam District, Ha Noi City Enterprise code: 0100778749 Phone: 0248272409 Representative: Pham Ba Tam Adress: 61, Thien Duc Street, Gia Lam District, Ha Noi City Yen Vien Town, Gia Lam District, Ha Noi CityFounding date: 31 - 12 - 1998