Long Nhat General Service Company Limited
Thôn Phú Ninh, Xã Duy Ninh, Quang Ninh District
Quynh Anh Construction Trading Company Limited
Thôn Phú Ninh, Xã Duy Ninh, Quang Ninh District
Phu Thinh General Company Limited
Thôn Phú Ninh, Xã Duy Ninh, Quang Ninh District