What are the 2 a class medical devices

　　Production of class I medical devices, by the municipal people's government of the pharmaceutical supervisory and administrative department for examination and approval, and issued a certificate of product registration.

　　The second category of medical equipment production, by the people's governments of provinces, autonomous regions and municipalities directly under the central government pharmaceutical supervisory and administrative department for examination and approval, and issued a certificate of product registration.

　　Production of class iii medical devices, examined and approved by the pharmaceutical supervisory and administrative department under the state council, and product registration certificate shall be issued.

　　Production of the second category, class iii medical devices shall be through clinical test and verify.