De or het pulpindustrie?

The correct Dutch article is:

de pulpindustrie

How to use pulpindustrie

the pulpindustriede pulpindustrie
this pulpindustriedeze pulpindustrie
that pulpindustriedie pulpindustrie
our pulpindustrieonze pulpindustrie
your pulpindustriejouw pulpindustrie
every pulpindustrieelke pulpindustrie
which pulpindustrie?welke pulpindustrie?
a big pulpindustrie / the big pulpindustrieeen grote pulpindustrie, de grote pulpindustrie