Quality management systems are important for companies to meet customer needs and expectations. Key aspects of quality management include quality assurance to ensure products meet performance and reliability standards, and quality control which implements quality policies and procedures. Major international quality standards include ISO 9001, while FDA regulations like 21 CFR parts 210, 211, and 212 provide guidelines for pharmaceutical Good Manufacturing Practices. An effective quality management system focuses on parameters like performance, efficiency, effectiveness and user satisfaction to deliver high quality products.