Hai Yen Address: Hamlet 3, Dai Lich Commune, Van Chan District, Yen Bai Province Enterprise code: 5200551564 Phone: 02163875644 Representative: Ha Van Duong Adress: Hamlet 11, Dai Lich Commune, Van Chan District, Yen Bai Province Dai Lich Commune, Van Chan District, Yen Bai ProvinceFounding date: 17 - 6 - 2010