What are the characteristics of the development of printing technology for paper packaging boxes?

People in the packaging box industry pointed out that paper food packaging boxes are green packaging for people at present. It has many advantages in saving energy and resources. As far as the international market is concerned, the era of food paper packaging has arrived. At present, paper food packaging boxes are widely used abroad, and foreigners like to use paper as packaging boxes for various items. Friends who like watching American and English dramas can find that in supermarkets and vegetable markets, breakfast shops are holding simple kraft paper packaging boxes. The technology of developed countries abroad is developed, and the development of paper packaging and printing technology presents the following new characteristics: (1) the development of single-layer materials to multi-layer materials; Offset printing, gravure printing, flexo printing, screen printing and other printing methods coexist, and flexo printing will grow fastest; Sheet-fed to web, single machine to online production direction; The comprehensive application of computer design, digital technology, laser processing technology, new materials and other related new technologies continuously optimizes the whole production system, making the manufacturing process of paper packaging boxes simpler and more convenient.