Supplementing the project contractor selection plan: Repairing damaged road surface Km115+500 - Km118+00, replacing broken knitting panels on the segment of Km115+400 - Km118+00 QL.3, Bac Kan Province; Repairing traffic unsafe points at the intersection Km56+850/QL.3 (intersection between QL.3 and Huong street) /QL.3, Thai Nguyen Province