The company AENOR has carried out in 2018 the external renewal audit of the ACSUG management system.As a result, ACSUG has achieved the renewal until 2021 of the certifications in the standards norma ISO 9001:2015, norma ISO 14001:2015 and the Eco-Management and Audit Scheme (EMAS). As AENOR is a member of the IQNet, subsequently the certifications achieved by ACSUG have an international recognition.