What does the patent application acceptance notice stand for?

On behalf of China National Intellectual Property Administration, its patent application has been accepted. According to the lawyer's online consultation, the acceptance notice represents the acceptance notice and can be used as proof of filing a patent application in China National Intellectual Property Administration. When China sent the acceptance notice, it attached the contents of the application document submission list verified by China National Intellectual Property Administration. This is the certificate submitted by the applicant to China National Intellectual Property Administration. Inform the applicant of the patent application of the application date determined by China National Intellectual Property Administration and the application number given. These two data are very important for applicants to go through various procedures in the future and will be used many times. Applicants should examine them carefully.