How to apply for SRRC certification for the same product with different models?

The SRRC certification model is independent, and the main test product needs to be tested by a nationally authorized laboratory to obtain a certificate. Other different models can follow a simplified procedure, self-funded to obtain a test report to apply for an approval certificate. Moreover, the CMA qualification scope of the testing laboratory must have the corresponding standards. For example, the testing standard for WIFI and Bluetooth is "工信部无〔2021〕129号".