I think that EU's approach to this is in its idea the correct one: whoever imports and sells stuff (the legal term is AFAIK "introduces to common market") has t

I think that EU's approach to this is in its idea the correct one: whoever imports and sells stuff (the legal term is AFAIK "introduces to common market") has to declare that it conforms to relevant safety regulations and is then held responsible should that declaration prove to be wrong. (Slight implementation problem is that the punishment incurred for that is usually too small, typically it boils down to ban of sale of the item involved without any punitive fines)