OEM, that is, brand producers do not directly produce products, but use their own "key core technology" to design and develop new products and control sales "channels". This kind of cooperation method of entrusting others to produce is OEM, to undertake this. The manufacturer of the processing task is called the OEM, and the product it produces is the OEM product.
ODM means that after a certain manufacturer designs a product, it may be seen by other companies, and the brand name of the latter is required for production, or the design is slightly modified for production. Among them, the manufacturer that undertakes the design and manufacturing business is called the ODM manufacturer, and the product it produces is the ODM product.