Tin Hoc & Thuong Mai Hoang Duc Joint Stock Company Address: Phi Xa Hamlet, Cam Hoang Commune, Cam Giang District, Hai Duong Province Enterprise code: 0800923871 Phone: 02203780786 Representative: Hoang Huu Duc Adress: Bang Quan Hamlet, Cam Dinh Commune, Cam Giang District, Hai Duong Province Cam Hoang Commune, Cam Giang District, Hai Duong ProvinceFounding date: 9 - 8 - 2011