no website on file — from open-source research, nothing to check against
Provincial tea exchange in Kunming; established by 云南农垦集团 and others, electronic trading, tea supply chain integration, 'big data + new retail + smart trade'.
website not found; supported by 云南普洱茶协会 and 云南省茶叶流通协会
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.