no website on file — from open-source research, nothing to check against
The 'Binzhongdao' brand from the factory 云南双江勐库冰岛茶叶精制厂; 500 mu of gushu, focus on Bingdao (Iceland) pu'er, founder Zhao Guojuan.
website not found; former Daxueshan factory, renamed in 2006
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.