no website on file — from open-source research, nothing to check against
A premium yancha brand from the Chen tea dynasty; Chen Xiaowen is the first bearer of intangible cultural heritage for Wuyi oolong. Owners of >50% of the Niulankeng area, famous for 'beef' (Niulankeng rougui).
website not found; source: baike.baidu.com — 孝文家茶, sohu.com — 2025岩茶品牌
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.