Sang Phuc Industry Construction Company Limited
Xóm Hội 2, Xã Quang Trung, Vu Ban District
Quyet Tien Company Limited
Xóm 4, Quyết Tiến, Xã Giao Tiến, Giao Thuy District
Thanh Hai Production Mechanical Company Limited
Xóm 9, Xã Xuân Tiến, Xuan Truong District