no website on file — from open-source research, nothing to check against
Premium pu'er brand of 'high class, high collectible value, high liquidity'; focus on Banzhang, product lines 'Zhuji', 'Guoyun', 'Banzhang Chuancheng'.
site not found; positioning 'full quality control' (全品控专家)
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.