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Certified Management System
Certified Persons
ISO 9001
Certificate Holder
Dr. Ludwig GmbH Werk Concordia
Test Mark Number
9105020024
The certificate holder's Management System corresponds to standard ISO 9001:2008.
Certificate scope
ISO 9001
Crushing, processing and selling of mineral raw materials, development, manufacturing, processing and selling of refactory material, trading of refractory and ceramic raw materials and commodities