3W5W UV laser marking the production date of soy sauce plastic bottle caps 355nm UV laser marking plastic bottle caps with fast speed, high precision and high stability UV laser damage-free marking plastic   When we usually buy things, we pay special attention to the production date of the goods, especially food. Use the production date to compare the shelf life to identify whether the product has expired. If it expires, you cannot buy it. There are many styles of production date on current products, and inkjet and laser marking are the main two.  

3W5W UV laser marking the production date of soy sauce plastic bottle caps 355nm UV laser marking plastic bottle caps with fast speed, high precision and high stability UV laser damage-free marking plastic   When we usually buy things, we pay special attention to the production date of the goods, especially food. Use the production date to compare the shelf life to identify whether the product has expired. If it expires, you cannot buy it. There are many styles of production date on current products, and inkjet and laser marking are the main two.  

3W5W UV laser marking the production date of soy sauce plastic bottle caps 355nm UV laser marking plastic bottle caps with fast speed, high precision and high stability UV laser damage-free marking plastic   When we usually buy things, we pay special attention to the production date of the goods, especially food. Use the production date to compare the shelf life to identify whether the product has expired. If it expires, you cannot buy it. There are many styles of production date on current products, and inkjet and laser marking are the main two.