no website on file — from open-source research, nothing to check against
杭州茶厂有限公司, brand «西湖»; former state-owned factory, founded in 1949, basic teas from Wengjiashan, the most recognizable brand among Hangzhou locals.
site not found; historical brand with maximum trust in Hangzhou
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.