no website on file — from open-source research, nothing to check against
The workshop of folk master Xu Xiutang; full cycle from clay preparation to firing, traditional methods.
website not found; workshop of the legendary potter Xu Xiutang
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.