Vien Thong Sao Mai Hai Duong LTD Address: Tan An Hamlet, Cam Dinh Commune, Cam Giang District, Hai Duong Province Enterprise code: 0801262670 Phone: 0844939393 Representative: Vu Xuan Diep Cam Dinh Commune, Cam Giang District, Hai Duong ProvinceFounding date: 20 - 10 - 2018