no website on file — from open-source research, nothing to check against
Brand 'Hai Di' (海堤) from CTC Fujian / Xiamen Tea Import & Export — one of the oldest producers of oolong and black tea for export. Legendary 'yellow bank' Lao Cong Shui Xian.
site not found; source: baike.baidu.com — 海堤茶叶
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.