Tools/materials: Red Rice Note9, MIUI/KOOC-0/2.5.4, Alipay/KOOC-0/2.2./KOOC-0/0.
1, open Alipay on your mobile phone.
2. Go to Alipay homepage and click "More".
3. Click "Citizen Center".
4. Search for "China Patent Announcement Query" and click Enter.
5. Enter the patent name and click Query.