For distinguishing true and false，First of all, you must know which department is issued by your own certificate.。For electrician operating certificates are the National Security Supervision Authority（Usual：Warmanship）Awarded，Arrange test by local organization。Therefore, online inquiry is also the official website of the local security supervision bureau.，Such as Hubei，Is in the Hubei 巴慕达净化器维修 Safety Supervision Bureau。Chongqing，Go to Chongqing Safety Supervision 巴慕达台灯维修网点 Bureau website inquiry。
Electrician qualification certificate is issued by the Ministry of Human Resources and Social Security，That is, province（City）People's security department（Previously referred to as the labor bureau）Organize test，Inquiry, in the local vocational skill appraisal guidance center and national vocational qualification work network。