Xay Dung Hai Hien Address: Khu 1, Quan Son Town, Quan Son District, Thanh Hoa Province Enterprise code: 2801148192 Phone: 02373590492 Representative: Tran Thi Hien Adress: Khu 3, Quan Son Town, Quan Son District, Thanh Hoa Province Quan Son Town, Quan Son District, Thanh Hoa ProvinceFounding date: 2 - 5 - 2008