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ISO9001: ISO 9001 is transformed from the world's first quality management system standard BS 5750 (written by BSI). ISO 9001 is the most mature quality framework in the world so far. More than 750000 organizations in 161 countries and regions are using this framework. ISO 9001 sets standards not only for the quality management system, but also for the overall management system. It helps organizations achieve success by improving customer satisfaction, employee motivation and continuous improvement.