The CB scheme has its origin in the European "Commission for Conformity Testing of Electrical Equipment" (CEE) which merged into the IEC in 1985. CB system is the abbreviation for the name of the meaning of "Certification Bodies'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' Scheme" i.e, "system certification body.". As of July 1992, CB system had a total of 30 member countries namely Austria, Australia, Belgium, Canada, Switzerland, China, former Czechoslovakia Updike, Germany, Denmark, Spain, Finland, France, Britain, Greece, Hungary, Ireland, Israel, India, Iceland, Italy, Japan, South Korea , the Netherlands, Norway, Poland, Sweden, Singapore, the former Soviet Union, former Yugoslavia, the United States. Currently there are some 52 member bodies organized in the IECEE and a further 65 NCBs (national certification bodies) support the scheme with 276 CB test labs (CBTL). A product being certified in a certified testing laboratory according to the harmonized standard will receive a CB Report that may be submitted to the national certification bodies like GS, PSE, CCC, NOM, GOST/R, BSMI.

 SQI_ZM has been assessed and determined to fully comply with the requirements of ISO/IEC 17025: 2005-05,The Basic Rules, IECEE 01: 2016-10 and Rules of Procedure IECEE 02: 2017-06, and the relevant IECEE CB-Scheme Operational Documents. It is therefore entitled to operate as a CB Testing Laboratory (CBTL) under the responsibility of CQC as National Certification Body (NCB) and to carry out testing within the IECEE CB Scheme.

 SQI_DZ  has been assessed and determined to fully comply with the requirements of ISO/IEC 17025:2017, the Basic Rules, IEC CA 01 and IECEE 01-S, Rules of Procedure IECEE 02, and the relevant IECEE CB-Scheme Operational Documents, as valid at the date of the assessment.