Not only does the ContiTech cooling water hose meet the conventional German national standards of the automotive industry, DBL 6254.12, DBL 6254.16, and DIN 73411-B, but also now the American standard SAE J20 R3 HT.
The hose's standardized marking with manufacturer's and brand name indicates the standards to which the hoses branded with "Made in Germany" are made and which materials were used.