There are OEM and ODM in mask processing industry. The basic meaning of OEM is OEM cooperation, commonly known as "OEM". ODM, the original design manufacturer, means "original design manufacturer", which means that a company designs and produces a product according to the specifications of another company. Simply put, the mask OEM only needs the brand to provide the trademark, and the mask ODM needs the brand to provide the packaging design, and then provide the formula for production as required.