National Center for Quality Supervision and Inspection of Commercial Refrigeration Equipment (CAL/CMA) is a third-party testing laboratory authorized by the state (CAL/CMA) and internationally recognized (CNAS). It was originally an inspection institution affiliated to the Ministry of Commerce and was founded in 1978.The existing testing business covers the whole cold chain, with more than 50 testing capabilities recognized by CNAS.The Center has also undertaken the work of the two secretariats of the Refrigeration Standards Committee, the Refrigeration Refrigeration Standards Committee, and the Technical Committee on Refrigeration Terms and Definitions, and has organized and directly participated in the formulation and revision of more than 20 national and industrial standards.In addition, the center fully undertakes the R&D work of the whole company, leading the design, installation and completion of more than 10 laboratories, independent research and development of testing equipment, providing enterprises with the design, installation and commissioning of testing laboratories and testing equipment and facilities.