The validity period of the 3C certification certificate is five years. During the five-year validity period of the certificate, as long as the manufacturer accepts annual factory inspection (annual review) every year.

· 3C derivation

3C derivation is to meet the needs of the manufacturer's dealers or partners for independent 3C certificates. The cost of deriving a secondary certificate is low, and the processing time only takes 2-3 weeks, which greatly saves costs and does not require retesting and factory inspection.

Note: The factory information on the certificate cannot be changed. If the main certificate is suspended or cancelled, the secondary certificate will also become invalid.