Dau Tu Phat Trien Giao Duc Van Son Joint Stock Company Address: Dong Hop Hamlet, Dong Xa Commune, Van Don District, Quang Ninh Province Enterprise code: 5700910412 Phone: 02032218188 Representative: Tran Thi Lieu Adress: Doan Xa 1, Hong Phong Commune, Dong Trieu Town, Quang Ninh Province Dong Xa Commune, Van Don District, Quang Ninh ProvinceFounding date: 28 - 8 - 2008