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Vallis continues to be certified as compliant with the requirements of ISO 9001, having successfully undergone a recertification audit at the end of January 2020.   The Vallis Quality Management System has been certified as being up to the ISO 9001 standard since 2013. We were in the vanguard of companies and organizations to become compliant with the 2015 version of the standard (ISO 9001:2015). ISO 9001 certificatiRead More