Hop Tac Xa Lang Que Yen Duc Address: Yen Khanh Hamlet, Yen Duc Commune, Dong Trieu Town, Quang Ninh Province Enterprise code: 5701538772 Phone: 02033594176 Representative: Doan Van Dung Adress: No 6, Le Thanh Tong Street, Hong Gai Ward, Ha Long City, Quang Ninh Province Yen Duc Commune, Dong Trieu Town, Quang Ninh ProvinceFounding date: 13 - 10 - 2011