Update information
- 2025.05.01 32nd “A Brief Message from the Heart” Letter Contest Award Ceremony
- 2025.04.30 Sumitomo’s Connection with Expos (Mitsui Sumitomo Insurance)
- 2025.04.18 Sumitomo’s Connection with Expos (Sumitomo Osaka Cement)
- 2025.04.10 Sumitomo’s Connection with Expos (Sumitomo Rubber Industries)
- 2025.04.09 EXPO School Caravan encourages future thinking at Higashiura Junior High School in Higashiura-Cho