Ha Son LTD Address: Nha Ong Ha, Hamlet 2, Hoa Thanh Commune, Yen Thanh District, Nghe An Province Enterprise code: 2900661052 Phone: 0238863547 Adress: Hamlet 16, Son Thanh Commune, Yen Thanh District, Nghe An Province Hoa Thanh Commune, Yen Thanh District, Nghe An ProvinceFounding date: 5 - 7 - 2005