ISO 9001:2008 Quality Management Systems Rayan Plast is proud to be operating according to ISO 9001:2008 International Standard for Quality Management Systems (QMS). Through its receipt, it is certified that Rayan Plast holds a set of principles that ensure a sound approach to the management of its business activities to consistently achieve customer satisfaction. The ISO 9001:2008 entails an overall revision of the business management from all aspects; customer satisfaction, operating costs, stakeholder relationships, legal compliance, and improved risk management.