The total construction area of the Hangzhou Olympic Sports Center Gymnasium is 74470 square meters, with an ice basket conversion venue built using advanced technology according to international competition standards. The ice surface size is 30m * 60m, with a total area of 1800 square meters. The venue is equipped with a refrigeration system using ethylene glycol as a refrigerant. After ice making, the venue can quickly change its nature within 6-8 hours according to different competition needs, and can host NHL, KHL, curling, figure skating, short track speed skating and other competitions.