Quality systemSE “Central GGE” carries out work on all types of activities in accordance with the international standard (QMS) of the quality management system (ISO 9001: 2015).State Enterprise “Central HGE” received a Certificate of Accreditation of the Chemical Spectral and Assay Division. The purpose of obtaining the accreditation certificate was the use by the staff of the O’z DST ISO / IEK 17025: 2007 standard for monitoring the laboratory’s activities and improving its QMS, ensuring the integrity of the QMS and its requirements under changing circumstances.Accreditation certificate of analytical laboratory complex. Russian version. Accreditation certificate of analytical laboratory complex English version.