O To Hasco Ninh Binh Joint Stock Company Address: Chi Lang Street, Quang Son Commune, Tam Diep City, Ninh Binh Province Enterprise code: 2700620274 Phone: 0985213889 Representative: Pham Ngoc Tuan Adress: No 156, Le Duan Street, Kham Thien Ward, Dong Da District, Ha Noi City Quang Son Commune, Tam Diep City, Ninh Binh ProvinceFounding date: 31 - 10 - 2011