Truong Pho Thong Dan Toc Noi Tru- Hoanh Bo Address: Khu 5, Troi Town, Hoanh Bo District, Quang Ninh Province Enterprise code: 5700988560 Phone: 02033858626 Adress: Hoanh Bo District, Quang Ninh Province Troi Town, Hoanh Bo District, Quang Ninh ProvinceFounding date: 15 - 12 - 2008