no website on file — from open-source research, nothing to check against
Historical center of brick tea (青砖茶) production for the northwest frontier and Mongolia; 'starting point of the Tea Road'. Modern revival of the brand.
website not found; source: baike.baidu.com — 羊楼洞
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.