Go to China National Intellectual Property Administration website to find out how to write a patent application, then write a patent application, print it according to the format, submit the patent application to the Patent Office, and then pay the application-related fees, and then wait for the publication and authorization of the utility model, or the invention patent must first submit substantive examination, pay the examination fee and wait for authorization.
After obtaining the patent right, take the certificate to find investors to invest, set up factories for production in their spare time, or find manufacturers, entrust production, find buyers and sell products.
"Good enough invention" is the key to making money. China is not a country that really supports scientific and technological progress. It is difficult to make money by inventing.