Contractor selection plan Project: Repairing local damage to the foundation, road surface and structures on the route Km8+00-Km10+500 and painting the traffic safety system section Km0+00 - Km1+00 on Provincial Road 335; Repairing local damage to the foundation and road surface of section Km9+200 - Km10+00, adding drainage ditches in section Km1+00 - Km10+00, adding guardrails at the top of culverts on route DT.330B; Painting and repairing the traffic safety system on the route leading to Bac Luan II bridge, Quang Ninh province