no website on file — from open-source research, nothing to check against
岁月知味茶业 — specialized Yiwu pu'er brand; founder Zheng Shaohong, author of the book '易武', pioneer in systematizing knowledge about Yiwu tea.
site not found; 1000+ tons of aged teas in Dongguan warehouse, first organic certificate for Yiwu
The source export carried a verification date of 2026-08-16 — later than today, so the check could not have happened. The mark was removed; the original value is kept in the data.