<page_title> E531 series </page_title> <section_title> 10-car sets </section_title> <table> <cell> K423 <col_header> Set No. </col_header> </cell> <cell> J-TREC, Yokohama <col_header> Manufacturer </col_header> </cell> <cell> 3 October 2014 <col_header> Date delivered </col_header> </cell> </table>
In 2014, a 10-car set, K423, was delivered from the J-TREC in Yokohama.