If you find that this product already exists before applying for a patent, there is no need to apply for this patent.
Based on the practicality, creativity and novelty of the patent.
Novelty means that the invention or utility model does not belong to the existing technology; no unit or individual has applied for the same invention or utility model to the patent administration department of the State Council before the application date, and It shall be recorded in patent application documents or published patent documents published after the filing date.
Creativity means that compared with the existing technology, the invention has outstanding substantive features and significant progress, and the utility model has substantive features and progress.
The existing products do not meet the novelty of the patent, so even if an application is submitted, it will not be authorized.