De or het exportmarketing?

The correct Dutch article is:

de exportmarketing

Rule Words ending in -ing: almost always de. See the rule

How to use exportmarketing

the exportmarketingde exportmarketing
this exportmarketingdeze exportmarketing
that exportmarketingdie exportmarketing
our exportmarketingonze exportmarketing
your exportmarketingjouw exportmarketing
every exportmarketingelke exportmarketing
which exportmarketing?welke exportmarketing?
a big exportmarketing / the big exportmarketingeen grote exportmarketing, de grote exportmarketing