春节快乐_2023

Founded in 1985 by the German Institute for Standardisation (DIN) and the German Society for Quality (DGQ), DQS is one of the world's most established independent management system certification bodies. DQS is a founding member of the International Certification Network (IQNet) and holds accreditations from the German Accreditation Body (DAkkS) alongside over 100 international accreditations, operating across more than 60 countries and regions.