1. Open a browser, enter "Industrial and Commercial Bank of China" in Baidu, and click "Baidu".
2. Click China Industrial and Commercial Bank China official website.
3. In the open official website, enter "Commemorative Coin" in the search box and click the search button at the back.
4. In the interface that appears, click "Click to enter customer service".
5. In the interface that appears, you can see that you can go directly to the site to exchange money, and you can also see the exchange date.