IATF 16949:2016 is defined as the International Standard for Automotive Quality Management Systems.

ISO 9001 is defined as the international standard that specifies requirements for a quality management system (QMS).

The Manufacturer-Related Product Qualification (abbreviated in German to HPQ) is demanded under railway engineering rules and regulations such as those issued by the UIC, the rail authorities and other bodies as part of DB AG’s policy on quality. An HPQ qualifies a manufacturer for a specified process or else for the making of a specified product that has already been defined by means of standards, drawings or other technical documents.

The DNV approval of manufacturers (AoM) confirms that VDL Castings has been found in compliance with DNV GL rules for classification concerning Ships. This provides VDL Castings with proof of high quality and safety standards.