"Huailai He Ying Data" project is located in Huailai County, Zhangjiakou City, Hebei Province, and is a part of He Ying Data (Huailai) Science and Technology Industrial Park. He Ying Data (Huailai) Science and Technology Industrial Park is a data center covering an area of nearly 500 mu. It strives to build an influential "zero-carbon" big data industrial base and help the digital economy take off. It is the national core computing business center of Meituan and the largest data center cluster in China.