Yen Ngoc Joint Stock Company Address: Civil Group 94, Khu Don Dien, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700653638 Phone: 0203648828 Representative: Nguyen Thi Ngoc Adress: Civil Group 10, Khu 4, Hung Thang Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 11 - 5 - 2007