O To A Chau Joint Stock Company Address: Nha Ong Hoang Quoc Truyen, C Building, Khu Dtmoi Nghi Phu, Hamlet 9, Nghi Phu Commune, Vinh City, Nghe An Province Enterprise code: 2901140567 Phone: 02383522992 Representative: Nguyen Dien Bien Adress: Ha Huy Tap Ward, Vinh City, Nghe An Province Nghi Phu Commune, Vinh City, Nghe An ProvinceFounding date: 22 - 10 - 2009