Then again, the three types of medical devices production license, product registration certificate approval time
The current regulations provide that the production license approval time limit of 30 working days, the product registration certificate approval time limit of 90 working days, but the actual product registration certificate approval time of about 8-10 months (if smooth).
However, in order to finally obtain the product registration certificate, from project initiation to the final certificate of the time required, far more than the above, at least 2 years, because there are also product testing, clinical trials and on-site system assessment, these preparations take much longer than the approval of the time spent on different varieties, the specifics of the situation is different, and some varieties of clinical trials alone will take several years.
You didn't say what varieties, so it's hard to estimate.