Square Diffuser компании по импорту и square diffuser компании по экспорту

We are a importer compagny from Casablanca Morocco. we are specialized in the field of air conditioning and ventilation. We are looking for some air diffusers square for our customers. Can you please send us your best price and best delivery time for 400 pieces Please see the model in pic attached : 600x600 ext. / 300x300 int.

Squer diffusers 60×60

I am looking for suppliers for the import of ventilation grilles of different types and circular and square diffusers