Leading concrete and aggregates company, Tudor Griffiths of Ellesmere, County Shropshire, England, has acquired from Cemex UK, four established ready-mix concrete plants in Mid and North Wales. The plants are located at Aberystwyth, Bangor, Newtown and Wrexham. All existing operations, assets and staff at each of the four Cemex plants have been transferred to the new owner, Tudor Griffiths.