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HARK obtained the ISO9001 quality management system certificate on February 5, 2021
HARK obtained the ISO9001 quality management system certificate on February 5, 2021
HARK obtained the ISO9001 quality management system certificate for the design and sales of air-conditioning ventilation and refrigeration system, and has been assessed and registered as meeting the requirements of GB/T19001-2016 / ISO9001:2015.
