ISO 9001:2008 Certification:

ISO 9001:2008 - Quality Management Systems

This standard is based on a number of quality management principles including a strong customer focus, the motivation and implication of top management, the process approach and continual improvement. These principles are explained in more detail in the pdf Quality Management Principles. Using ISO 9001 helps ensure that customers get consistent, good quality products and services, which in turn brings many business benefits.
ISO 1999:2000 Certification