Could you please elaborate on the statement "Who do CeX deliver with?"? Are you referring to the logistics partners or delivery services that CeX collaborates with to distribute products to their customers? If so, it's important to note that CeX, as a company specializing in buying, selling, and trading consumer electronics and video games, might work with various couriers and delivery services depending on the location and nature of the products being shipped.
However, the specific delivery partners might vary from region to region, and CeX might have agreements with multiple service providers to ensure efficient and timely delivery of products to their customers. To get a definitive answer, it would be best to contact CeX directly or check their official website for more information about their delivery partners and services.