| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://www.ec21.co.jp/%e5%ae%89%e5%85%a8%e3%83%91%e3%83%88%e3%83%ad%e3%83%bc%e3%83%ab%e3%82%92%e5%ae%9f%e6%96%bd%e3%81%97%e3%81%be%e3%81%97%e3%81%9f20201217 | 60% | Weekly | 2020-12-17 02:27 |
| https://www.ec21.co.jp/%e7%a4%be%e5%86%85%e5%8b%89%e5%bc%b7%e4%bc%9a20201208 | 60% | Weekly | 2020-12-08 02:44 |