To achieve remarkable improvement in the availability factor and decrease defectives.

A rolling plant 1 is positioned at an outlet part of a block mill 2 and finishes rolling wire rods 3 passing through the block mill 2. Two rolling machines with two rolls 4a, 4b and two rolling machines with four rolls 5a, 5b are positioned from the upstream side to downstream side in turn, each rolling machine with two rolls 4a, 4b is installed on a first recomposing bogie 7 and each rolling machine with four rolls 5a, 5b on a second recomposing bogie 12 as well, furthermore each rolling machine with two rolls 4a, 4b is respectively driven by each driving gear 9, 11.