Product recall refers to the recall of products that have been delivered to wholesalers, retailers or end users by manufacturers. The typical reason for product recall is that the sold products are found to have defects. The product recall system is aimed at the batch problems caused by manufacturers, among which the identification of quality defects and the identification of manufacturers' responsibilities are the most critical core.
Due to lax quality control, a batch of defective products from a factory flowed into the market, and the manufacturer told consumers to return them belongs to product recall according to the above definition.