The Standardized Cell Testing Laboratory (SCTL) at the Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, was established on December 12, 2019. Following a trial operation period, SCTL successfully obtained accreditation from the China National Accreditation Service for Conformity Assessment (CNAS) on July 21, 2021, receiving both the CNAS accreditation mark and certificate. This achievement signifies international recognition of SCTL's analytical and testing capabilities.