Lam Son Address: Khu 5, Hau Can Street, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700333500 Phone: 02033844146 Representative: Tran Van Kha Adress: Civil Group 5, Khu 8, Hong Ha Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 17 - 3 - 2001