Hai Quynh Address: Doan Ket Hamlet, Yen Lang Commune, Dai Tu District, Thai Nguyen Province Enterprise code: 4600797088 Phone: 02083826262 Representative: Pham Thi Loan Adress: Doan Ket Hamlet, Yen Lang Commune, Dai Tu District, Thai Nguyen Province Yen Lang Commune, Dai Tu District, Thai Nguyen ProvinceFounding date: 2 - 3 - 2010