For everyone in life, there is a habit of drinking beverages and milk in daily life. So everyone has also developed that when buying these items in the supermarket, the first thing is to confirm whether the product has expired. And when is the production date, under normal circumstances, the outer packaging of the product or the edge of the lid can let everyone see the time of delivery, so that everyone can better judge whether the product has expired Important basis. Then these inkjet printers will be used in many such food industries, through everyone's understanding of the necessities in life. Therefore, through the spray on the product, everyone can better understand when the product was produced. After knowing the production date, you must check the shelf life to determine when it is valid. Then the expired product Everyone must not use it anymore. Of course, in these production dates, all inkjet printers are used, and this inkjet technology can let users know when the product is safe to use. In addition to the daily necessities and food mentioned in the above, the function of the inkjet printer is also widely used in the pharmaceutical industry, because the use of drugs also requires a trial period. If it expires, it must not be used again. If you take it, it will have a bad effect on your body. In addition, inkjet printers are also used in many hardware materials. Here is a brief introduction to the plastic pipes that everyone is familiar with. Because the specifications of such pipes are not so easy to distinguish, so many people will take a closer look. The words on the tube are actually the parameters of the product, making it easier for everyone to identify.