O To Ha Vinh Joint Stock Company Address: KM 516, Ql1a, Binh Minh Hamlet, Thach Binh Commune, Ha Tinh City, Ha Tinh Province Enterprise code: 3001208020 Phone: 02393777726 Representative: Ho Huu Dan Adress: Hung Loc Ward, Vinh City, Nghe An Province Thach Binh Commune, Ha Tinh City, Ha Tinh ProvinceFounding date: 25 - 4 - 2010