Norwegian to English Bus/Financial Economics

Varer handlet med mellomhandel, dvs. varer som ikke er i Norge, men leveres mellom to andre land.

The client has translated this as "Goods under merchanting, i.e. Norwegian owned goods that are sold to another country without being present or crossing the border of the compiling country".

In British English, is it correct to use merchanting as a verb, as is the case here?