In fact, there is no certificate for FDA registration, the product will be registered with the FDA, will get a registration number, FDA will send the applicant a reply letter (signed by the FDA administrator), but there is no FDA certificate. The certificate we usually see is issued to the manufacturer by the intermediary agency (registered agent) to prove that it has helped the manufacturer to complete the requirements of the US FDA. Production facility registration and product type registration ” (Establishment Registration and Device Listing), the mark of completion is to help the manufacturer obtain the FDA registration number.