QSR is the United States of America's medical system, you export to the United States, you have to do this.
GMP medical system. This is the "Good Manufacturing Practice" system, which means that your production process is good. It is in line with the international standard process
YYY0287 This is the Chinese version of ISO13485. If your company is only doing the domestic market, you can do ISO13485, or YY0287. Note that YY0287 is not recognized outside of mainland China
Network name is my contact information. I can provide a full one-stop service. I can help you from doing the paperwork, all the way to get the certificate. The whole service!