no website on file — from open-source research, nothing to check against
Beijing tea trademark «吴裕泰», est. 1887; second of the 'three great laozihao' of Beijing, over 300 stores across China, focus on jasmine tea and ice desserts.
site not found; oldest laozihao in Beijing, Qing heritage
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.