1688 how to check whether a product has applied for a patent?

Unable to view. 1688 is an e-commerce platform, which has no function of viewing goods and applying for patents. In modern times, patent refers to documents issued by government agencies or regional organizations representing several countries according to applications. This kind of document records the contents of the invention and creation, and in a certain period of time, it has produced such a legal state that the patented invention and creation can only be implemented by others with the permission of the patentee.