no website on file — from open-source research, nothing to check against
Zhongmin Weishi Tea / Wei Yin Famous Tea — descendants of Wei Yin (魏荫), the legendary discoverer of Tieguanyin; focus on traditional "观音韵" technology.
website not found; one of the "three pillars" of Tieguanyin alongside Bama and Fengshan
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.