Cong Nghe Xanh Dong Son Joint Stock Company Address: No 46, Anh Dao Street, Civil Group 8, Khu Ii, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701678547 Phone: 02033649666 Representative: Nguyen Huu Thien Adress: Chua Hamlet, Tan Trieu Commune, Thanh Tri District, Ha Noi City Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 12 - 6 - 2013