no website on file — from open-source research, nothing to check against
Legendary 'second echelon' of pu-erh factories; masters from the former Menghai Tea Factory work here. Cult '04 Tuji Tuo' and 7533 series. Standard samples for government pu-erh standards.
site not found; source: baike.baidu.com, mp.weixin.qq.com — 藏品普洱
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.