Claim: The Nankai 8300 series trains were delivered and put into service the same year.
Evidence: The first two four-car sets, built by Kinki Sharyo, were delivered in June 2015. The first train entered revenue service on 8 October 2015. The Nankai 8300 series (南海8300系) is an electric multiple unit (EMU) commuter train type operated by the private railway operator Nankai Electric Railway in Japan since 8 October 2015.