CMA,ILAC-MRA and CNAS

CMA

CMA is short for China Metrology Accredidation. It is a mark of qualified measurement certification by a testing organization, and the organization with this mark is an inspection agency that is legal in China and authorized by the national or provincial measurement certification management department.

Institutions engaged in social-oriented testing and inspection of products in China must be reviewed by the national, provincial, and municipal metrological certification management agencies in conjunction with the review agency, and they can only engage in testing and inspection activities after they are established or authorized by law. Therefore, CMA is mandatory.

ILAC-MRA

ILAC-MRA is short for ILAC Mutual Recognition Arrangement. It is an international mutual recognition mark. The purpose of ILAC is to improve the acceptance of testing and calibration results issued by accredited laboratories in order to eliminate technical trade barriers and promote the establishment of international cooperation in international trade. Till to 12/12/2008, 62 laboratory accreditation bodies in 48 economies in the world have signed the ILAC mutual recognition agreement. The identification certificates with this mark can be mutually recognized internationally, and the identification results can be recognized by the United States, Japan, France, Germany, the United Kingdom and other countries.

CNAS

CNAS is short for China National Accrediation Board of Laboratories. CNAS is the symbol of national laboratory. The presence of this mark indicates that the inspection agency has passed the assessment of the China National Laboratory Certification Committee, and its inspection capabilities have reached the level of a national laboratory. According to the relevant agreements of China's accession to the WTO, the CNAS logo can be mutually recognized internationally, for example, it can be recognized by countries such as the United States, Japan, France, Germany, and the United Kingdom.