ISO 9001 Quality Management System Certification ISO 9001 is a quality management system standard published by the International Organization for Standardization, aimed at helping organizations establish an effective quality management system, improve product quality and customer satisfaction. This certification applies to all industries and fields, including manufacturing, service industry, medical institutions, etc. By obtaining ISO 9001 certification, organizations can demonstrate that the quality of their products or services meets international standards, thereby gaining the trust of customers and market recognition.