Package No. 11: Supply And Construction Of Construction Materials And Equipment: Investment In Electricity Construction In Ca Mau City And Dam Doi In 2026. Item 1: Investment In Renovating And Upgrading Medium And Low Voltage Power Grid From 1 Phase To 3 Phase And Developing Power Grid To Remove Auxiliary Lines In Ca Mau City In 2026. Item 2: Investment In Renovating And Upgrading 3-Phase Medium Voltage Line On Ton Duc Thang Street (Section From Danh Thi Tuoi To Ring Road 2). Category 3: Invest In Renovating And Upgrading The Medium And Low Voltage Power Grid From 1 Phase To 3 Phase And Develop The Power Grid To Remove Additional Lines In Dam Doi District In 2026.