no website on file — from open-source research, nothing to check against
Historical zangcha (藏茶) factory from Ya'an — 470+ years of continuous production; largest producer of 康砖 and 金尖 for Tibetan regions, brands '金尖' and '康砖'.
website not found; Sichuan time-honored brand, national cultural inheritor
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.