You can go directly to the service desk of Beijing Hualian Supermarket or call Beijing Hualian Supermarket. Generally, there will be a description of the limited date on the consumer card. If there is no limited date, it will not expire.
All gift cards have a time limit. Shopping malls last a long time, 2-3 years, and individual shopping malls last for 5 years. Generally, the gift card is 1 year.