How long is the duration of registration license of electricity equipment inspection and maintenance service provider?
The duration of license of electricity equipment inspection and maintenance service providers is 5 years, and they can make an extension registration and renew the business permit from the municipal or county (city) authority-in-charge 3 months before the deadline date of the license and renew their registration licenses. If they fail to make an extension or meet the condition for extension, the origin permit would be ineffective after the deadline date.