Generally speaking, the shelf life of canned food ranges from 1 to 5 years, and the role of tinplate cans is to protect the food from the influence of the external environment during this shelf life and maintain the flavor and safety of the food.

According to the requirements of the pattern and the characteristics of the substrate, reasonably control the amount of ink to avoid too much or too little ink. By adjusting the ink transfer system, ensure that the ink is evenly transferred during the printing process to avoid uneven patterns.