Huu Han Phat Trien Nong San Nghia Duc Son Address: Du Town, Phu Luong District, Thai Nguyen Province Enterprise code: 4600203915 Phone: 02148874290 Representative: Chiang Hxuan Trang Adress: Vu Xa Hamlet, Ai Quoc Commune, Nam Sach District, Hai Duong Province Du Town, Phu Luong District, Thai Nguyen ProvinceFounding date: 22 - 4 - 1999