Tien Vui Address: Trung Tam Hamlet, Yen Lang Commune, Dai Tu District, Thai Nguyen Province Enterprise code: 4600969040 Phone: 02083826128 Representative: Hoang Minh Tien Adress: Trung Tam Hamlet, Yen Lang Commune, Dai Tu District, Thai Nguyen Province Yen Lang Commune, Dai Tu District, Thai Nguyen ProvinceFounding date: 26 - 7 - 2011