CB since the implementation of mutual recognition system to get the broad support of member institutions. In 1998, for example, certificates issued by various agencies reached a total of 12,175, most of which certificates range of products focus on three categories: information and office appliances (4898 copies of certificates), the electronic entertainment appliances (2772 copies of certificates) and household Electrical (2210 copies of certificate). To the issuing institution, polarization is obvious, there are four institutions on the one hand the number of certificates issued over 1000, respectively, Sweden SEMKO (223l copies of certificates), Norway NEMKO (1771. Copies of certificates), the German Rhine ( 1314 copies of the certificate) and Japan IECEE Committee (1256 copies of the certificate), on the other hand there are 11 certification bodies not issued a certificate.