no website on file — from open-source research, nothing to check against
Niche yancha brand from Wuyishan by master Chen Yonglin; specializing in laocong shuixian, rougui, and commercial dahongpao.
site not found; master Chen Yonglin – a recognized expert in green processing of yancha
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.