no website on file — from open-source research, nothing to check against
Tieguanyin brand from Anxi; pioneer of online streaming from tea plantations to ensure production transparency.
website not found; source: zhihu.com/question/557933958
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.