Tien Oai Address: Xuan Son Hamlet, Hoang Son Commune, Hoang Hoa District, Thanh Hoa Province Enterprise code: 2802441098 Phone: 0396696670 Representative: Le Van Oai Adress: Xuan Son Hamlet, Hoang Son Commune, Hoang Hoa District, Thanh Hoa Province Hoang Son Commune, Hoang Hoa District, Thanh Hoa ProvinceFounding date: 11 - 1 - 2017