no website on file — from open-source research, nothing to check against
Taiwan's oldest tea shop; founded in Fujian in 1821, in Taiwan since 1860. Six generations of the Yan family, handmade paper packaging, famous for the 'golden gourd' (金葫芦).
website not found; mentioned in guancha.cn, sohu.com as a cultural monument; 5th generation — Yan Hongjun (dentist), 6th — Yan Weijia