1. Patent search can be done in the database website of the China Patent office .
Website :https://cponline.cnipa.gov.cn/
2. The patent search center can also be entrusted to conduct professional inquiries.
3. the types of patents to be queried in China, patent types are divided into invention patent, utility model and design patent.
4. if there is patent number/application number: you can directly enter the patent number/application number in the field.