no website on file — from open-source research, nothing to check against
Successor to the state-owned Yixing Zisha Factory (紫砂工艺厂); 60+ years, 400+ masters, export to 50+ countries, brand "Fangyuan" (方圆牌).
website not found; state factory, cradle of Yixing masters
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.