Updated the signature.
Mileage is about 101000 km. Warranty is over.
I'm not sure what they put on the roads, but they do it aggressively in this winter, because there is a lot of snow.
Thanks to @Haz I know what is it and can find help.
Does anyone dare to offer what these wheels are with? Chemistry doesn't really want to take it. Maybe it would be helpful to know what the substance might be.
Chemical or mechanical means may also be provided.