Include product manufacturer in essential characteristics
It would be helpful if the manufacturer was available in the essential characteristics, or more precisely in the product information.
This would allow it to be displayed with the other characteristics in the shopping cart without having to create an additional field that displays the manufacturer in the shopping cart.
The manufacturer is one of the important features of a product and is therefore also part of this information.

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Klaus Madzar commented
For the sole reason of the Product Safety Regulation (GPSR) and the Product Safety Act (ProdSG), the manufacturer's information should be displayed in short form, i.e. only the name, in the shopping cart and on the order confirmation. I actually see this as a standard function of a modern shop system.