Mrs. Rungsiya Sukhon, Senior Professional Metrologist, Mechanical Metrology Department of NIMT, was invited to visit the National Metrology Laboratory of Bangladesh Standards and Testing Institution (NML-BSTI) to conduct the technical assessment of NML-BSTI’s mass laboratory for the first CMC (Calibration and Measurement Capability). This peer review aimed to support and provide useful information for the future improvement that fulfilled the requirements of CIPM-MRA and the APMP Guidelines. It was held during 3-7 March 2024 in Bangladesh.