Trung Tam Day Nghe Huyen Vo Nhai Address: Dinh Ca Town, Dinh Ca Town, Vo Nhai District, Thai Nguyen Province Enterprise code: 4600614023 Phone: 02083727107 Adress: Vo Nhai District, Thai Nguyen Province Dinh Ca Town, Vo Nhai District, Thai Nguyen ProvinceFounding date: 25 - 5 - 2009