Hongyazi peanut, also known as Xingcheng peanut, is a specialty of Xingcheng City, Liaoning Province. Named after it is mainly produced in Hongyazi Township of this county. The product is high in trace elements, bright in color and sweet in taste, with the lowest aflatoxin content in China and excellent in quality. Exported to Russia, Japan and South Korea, and deeply loved by people.

Xingcheng generally refers to Xingcheng city. Xingcheng, a county-level city under the jurisdiction of Liaoning Province, is managed by Huludao City. Located in the southwest of Liaoning Province, on the west bank of Liaodong Bay, in the middle of "Liaoxi Corridor".