Project contractor selection plan: Renovating and upgrading a number of roads (Route No. 1: from the intersection of Mr. Tu's house to DH.10, Nhac Loc village; Route No. 2: from Mr. and Mrs. Quy Yen's house to Mr. Tran's house and Route No. 03: from DH.10 road to National Highway 5A, Trai Tuc village), Trung Trac commune, Trung Trac commune