Cars 1 to 5 were built by Hitachi in Yamaguchi Prefecture, and cars 6 to 10 were built by Kawasaki Heavy Industries in Hyogo Prefecture.
Вагоны с 1 по 5 были построены Hitachi в префектуре Ямагути, а вагоны с 6 по 10 были построены Kawasaki Heavy Industries в префектуре Хёго.