De or het assortimentsbewaking?

The correct Dutch article is:

de assortimentsbewaking

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) (handel) beheer van de verzameling van de producten die men ter verkoop aanbiedt waarbij men rekening houdt met de vraag van de klanten en de winstgevendheid voor de verkoper

How to use assortimentsbewaking

the assortimentsbewakingde assortimentsbewaking
this assortimentsbewakingdeze assortimentsbewaking
that assortimentsbewakingdie assortimentsbewaking
our assortimentsbewakingonze assortimentsbewaking
your assortimentsbewakingjouw assortimentsbewaking
every assortimentsbewakingelke assortimentsbewaking
which assortimentsbewaking?welke assortimentsbewaking?
a big assortimentsbewaking / the big assortimentsbewakingeen grote assortimentsbewaking, de grote assortimentsbewaking

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).