Hung Duc Trade and Transport Service Company Limited.
Thôn Hùng Lãm 1, Xã Hồng Thái, Viet Yen District
Duy Tung Material Trading Limited Company
Thôn Phe, Xã Vân Sơn, Son Dong District
Chien Thang Trading Transportation and Construction Limited Company
Thôn Đạo Ngạn, Xã Quang Châu, Viet Yen District