Hoang Tho Address: Civil Group 7, Khu 8, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700568076 Phone: 02033843994 Representative: Hoang Tho Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 14 - 11 - 2005