May 20, 2021
Beijing 2022 Winter Olympics，Stadium ice making is the comprehensive embodiment of the technical strength and the concept of green environmental protection of the National Speed Skating Stadium. By adopting the world-leading carbon dioxide transcritical direct cooling technology, the ice surface of the stadium has the advantages of accurate temperature control, high heat recovery, carbon emission approaching zero, etc., taking "the fastest ice" as the highest goal to help athletes create good performance.