Bishui Blue City is 30 meters north of the intersection of Zhenxing Road and Jianjian Road in Lankao County.

Tofu Fish Hotpot refers to Liuxiaoliu Tofu Fish (Lankao store). Its address is Bishui Lancheng, 30 meters north of the intersection of Zhenxing Road and Jianjian Road, Lankao County, Kaifeng City, Henan Province.

Lankao, under the jurisdiction of Kaifeng City, Henan Province, is a county directly under the jurisdiction of Henan Province, with a total area of ??1,116 square kilometers. As of 0:00 on November 1, 2020, Lankao County has a permanent population of 777,278. In the Qin Dynasty, Jiyang County was established in the north of the county. In 1954, Lanfeng County merged with the western part of Kaocheng County and was called Lankao County.