1, express shelf: the express shelf is divided according to the box size and packaging items he delivers, and then the product size. If it is a box, then the boxes will be put on a unified shelf for classification.
2. Express delivery off the shelf: Literally means goods off the shelf. Here, the goods have been removed from the shelves. It means that one or some commodities are inspected, inspected, quarantined or put on the shelves for sale without a sales license, and are forced to be sold off the shelves, destroyed or returned to the factory.