Thank you for your continued use of the OSS-ECAL website.
We sincerely apologize for any inconvenience and concern caused to our users during the following period when the site was not configured for SSL (encrypted communication).
Period: December 5, 2025 to December 11, 2025
OSS-ECAL Website
English Site: https://oss-ecal.com/
Japanese Site: https://oss-ecal.com/jp/
Chinese Site: https://oss-ecal.com/cn/
December 11, 2025
CEO Mitsuaki Iijima