Nguan Su Address: Trung Hai Hamlet, Ky Hai Commune, Ky Anh District, Ha Tinh Province Enterprise code: 3000916581 Phone: 02393604829 Representative: Nguyen Nguan Adress: Ky Ninh, Ky Anh District, Ha Tinh Province Ky Hai Commune, Ky Anh District, Ha Tinh ProvinceFounding date: 29 - 5 - 2009