no website on file — from open-source research, nothing to check against
Pu'er producer from Zhenyuan County (Yunnan); raw material from altitudes of 1600–2000 m in Wuliangshan. 'Company+base+farmers' model; awards from Yunnan Province.
site not found; source: baike.baidu.com/item/五一茶
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.