Pol.Lt.Gen. Pornchai Suteenakune, Director, Mr. Anusorn Tonmueanwai, Deputy Director, along with NIMT quality management team and staffs of dimensional metrology department, joined the ISO/IEC 17025 quality system assessment meeting held on 5 – 7 March 2024. As NIMT proposed the pathway A assessment, NIMT cordially invited Mr. Harald Bosse, Head of PTB Division 5 Precision Engineering and Dr. René Schödel, Head of PTB Department 5.4 Interferometry on Material Measures, technical experts from the Physikalisch Technische Bundesanstalt (PTB), Germany, to conduct the technical assessment. For the quality assessment, NIMT requested an expert from the Thai Industrial Standards Institute (TISI), Mr. Komsan Youngjaroon, the Director of Laboratory Group 3. The purpose of this assessment was to strengthen the quality management system and establish international recognition of Thailand’s measurement capabilities.