China Quality Certification Centre (CQC) is an authoritative certification body with independent legal personality approved by Certification and Accreditation Administration of People Republic of China (CNCA). It is an authority with the largest scale and issues the largest number of certificates in China. CQC is one of the earliest institutions that conduct specialized certification, developed from the China Quality Certification Center for Import and Export established in 1993 and Secretariat of China Commission for Conformity Certification of Electrical Equipment (CCEE) established in 1984. Up to now, it has been conducting specialized certification service for over 20 years.