Packaging as we know it today is the result of a long development process.Primitive human beings usually consumed food when they found it.They were self-sufficient,so there was little need for packaging of food.The earliest vessels and containers were provided by nature itself in the form of animal skins,shells and gourds.Later,the invention of the pottery wheel meant that the making of simple earthenware pots became more sophisticated. Wooden barrels became popular in the Middle Ages because they could be used for storing various types of food,including liquids such as beer or wine,and were much less fragile than glass or earthenware containers.

Easy-open lid is a lid with a pull ring used to seal cans, and belongs to metal packaging products. It is mostly made of aluminum or tinplate, and has a variety of sizes, suitable for iron cans, aluminum cans, composite cans, PET plastic cans and paper cans. There are two types of easy-open lids: round and non-circular. Shaped easy-open lids refer to non-circular easy-open lids, such as oval, square, horseshoe, etc. Cans can be used to package food, which is also widely used in the market.

As we all know, more and more products on the market use paper can packaging, and the scope of the industry involved is getting wider and wider. Paper cans are made of paper as raw materials, and they are selected from natural and environmentally friendly materials. With the country's restrictions on plastic packaging products, paper can packaging has received more attention and application, especially in the food industry.

CMYK-that is, cyan, magenta (magenta), yellow, and black, these four colors can usually be reproduced by these four colors in printing;

CMYK is also called the printing color mode, as the name suggests is used for printing. There is a big difference compared with RGB: RGB mode is a color mode of screen display glow, you can still see the content on the screen in a dark room;

The Dragon Boat Festival, also known as the Duanyang Festival, Dragon Boat Festival, Chongwu Festival, Dragon Festival, Zhengyang Festival, Tianzhong Festival, etc. The festival takes place on the fifth day of the fifth lunar month and is a traditional Chinese folk festival.

In recent years, there are many powder paper cans on the market, which are favored by more and more people. At present, the application range of powder paper cans is still expanding. What are the advantages of powder paper cans?

It is practical because it is designed and produced for the protection, dressing up and promotion of goods. Without this purpose, there is no such art. Moreover, the combination of it and specific industrial technology says it is art because it uses painting, calligraphy and other artistic means to create a special type of beauty, that is, tones and patterns that beautify commodities.

Packaging elements include packaging objects, materials, shapes, structures, protective technologies, and visual communication.

The first thing that the cylindrical paper cans come to consumers is color. Distortion of color will give consumers the illusion of inferior products, expired products or fake products. Therefore, looking at the color is a standard that can reflect the good or bad of the canned paper can manufacturers. The canned paper cans are beautiful and tall. The cylinder paper cans of good cylinder paper can manufacturers are full of color, vivid and vivid, and improve the product grade.