Printing Plates (Wholesale) is a subdivision of the Industrial Machinery and Equipment Merchant Wholesalers industry. This industry involves the wholesale distribution of printing plates, which are thin sheets of metal or plastic used in the printing process to transfer ink onto paper or other materials. Printing plates are used in a variety of printing methods, including offset lithography, flexography, and letterpress printing. Companies in this industry typically purchase printing plates from manufacturers and sell them to printing companies, publishers, and other businesses that use printing plates in their operations.