Van Tai O To Quang Ninh Joint Stock Company Address: No 131, Thanh Cong Street, Cao Xanh Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700100520 Phone: 02033825531 Representative: Tran Van Thuyet Adress: Civil Group 7, Khu 5, Yet Kieu Ward, Ha Long City, Quang Ninh Province Cao Xanh Ward, Ha Long City, Quang Ninh ProvinceFounding date: 4 - 9 - 1998