Ceiling Air Diffuser компании по импорту для ceiling air diffuser компаний 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.