1. During packaging, each group of products must be tightly packed with plastic film to prevent rain and prevent damage during transportation.
2. The surface of the tombstone shall be padded with foam, and two crossbars shall be added at the bottom of the package. The package shall be firm to facilitate loading and unloading. The container number and contract number shall be written on the packing box to ensure the identifiability of the goods and the convenience of the customer for picking up.