Having googled I can't find out whether it matters where the sales takes place or where you use it. I'd guess the latter as I could buy a Radio from Zambia and have it shipped to Ghana to use but wouldn't need CE for that.....
NB Do Hot Ducts even come under CE?
The CE Marking Is Required Only for the Following Types of Products:
Personal protective equipment
Active implantable medical devices
In vitro diagnostica
Radio and Telecommunications terminal equipment
Simple pressure vessels
Equipment and protective systems for use in explosive atmospheres
Non-automatic weighing instruments
Explosives for civil use
New hot water boilers