Thuong Mai Ky Thuat Moi Truong Va Xay Dung Cong Trinh Giao Thong An Hung Joint Stock Company Address: Khu 6, Yen Hai Ward, Quang Yen Town, Quang Ninh Province Enterprise code: 5701662843 Phone: 02033680758 Representative: Nguyen Thi Oanh Adress: Khu 1, Quang Yen Ward, Quang Yen Town, Quang Ninh Province Yen Hai Ward, Quang Yen Town, Quang Ninh ProvinceFounding date: 21 - 12 - 2012