Supplement:
Ice wine is a sweet wine. Wine made from grapes naturally frozen at low temperature.
According to the definition of the national standard "Ice Wine" (GB/T 25504-20 10), ice wine refers to the wine made by delaying the grape harvest, keeping the grapes on the branches for a certain period of time when the temperature is below -7℃ under natural conditions, freezing, harvesting, squeezing and fermenting in the frozen state (adding is not allowed in the production process).