Lien Doan Lao Dong Huyen Hoanh Bo Address: Khu 6, Troi Town, Hoanh Bo District, Quang Ninh Province Enterprise code: 5701290345 Phone: 02033858521 Adress: Hoanh Bo District, Quang Ninh Province Troi Town, Hoanh Bo District, Quang Ninh ProvinceFounding date: 13 - 7 - 2009