Toan Nhat Joint Stock Company
Tổ 11, khu 3, Phường Hồng Hà, Ha Long City
Toan Nhat Business And Production Joint Stock Company
Tổ 20, khu 2, Phường Hà Trung, Ha Long City
Minh Hieu Cam Pha Services And Trading Joint Stock Company
Tổ 33, khu Đông Tiến 2, Phường Cẩm Đông, Cam Pha City
Quang Ninh Mechanical Joint Stock Company
., Xã Việt Hưng, Ha Long City