Offset printing is mainly used for printing of paper-based materials. Sheetfed offset presses can be printed in different formats and are more flexible. At present, the printing format of most web offset presses is fixed. Its applications are limited. With the development of technology, the web offset printing press is also continuously improved. Web offset presses that can change the printing format have now been developed. At the same time, we developed a web offset press for seamless cylinders. The printing cylinder of this web offset printing machine is seamless, and in this respect is already the same as the web gravure printing machine. Offset presses are also constantly improving in printing functions. Corrugated cardboard can be printed by improving and adding some parts. By improving and adding a UV drying device, UV prints can be printed. The above improvements continuously expand the use of offset printing machines in the field of packaging printing. Water-based inks for offset printing will soon enter practical applications.

As one of the packaging tools for various products and commodities, the packaging box is loved by majors. At the same time, the packaging box is also loved by consumers for its high-end, exquisite, and beautiful. Therefore, the major professions also pay great attention to the printing quality of the packaging box.

The creative packaging box should clearly convey the information, the quality of the performance, the unique and outstanding performance of the market positioning and stimulation of the senses, and contain a rich design culture.​

Carton in addition to protect goods, easy to transport, but also play a beautifying goods, promote the role of commodities. Therefore, the printing quality of the carton is very important. So, carton printing common quality problems and solutions?

The cosmetics industry is booming at an unprecedented rate, and countless new cosmetics are on the shelves every year. In China, high-end products occupy the primary position of consumer demand and are the fastest growing part. Exquisite cosmetic packaging design can drive sales in a wide range of retail environments to provide sales and increase sales. In order to motivate consumers' purchase desire

After the paper received water erosion, corrugated will collapse softening phenomenon, greatly reducing the security of the packaging. However, most people understand that the carton waterproof is only the carton after forming the waterproof problem, but ignored the carton paper moisture content problems. For the control of the moisture content of corrugated board, which aspects should be emphasized?

There is no denying that e-commerce shopping has been used in our daily life in a particularly wide range. Whether it is to buy daily items or to buy cosmetics, cartons are the most suitable choice for business packaging. A good quality cosmetic carton means the best first-hand experience for consumers. Also as the size of the items vary, cartons have a particularly detailed classification. There are 5 layers of strength is also general strength, size from 1 to 13 can be considered in a variety of goods loading, then, cosmetics carton packaging where special attention is needed? Next, follow small make up together to understand clearly.

In fact, it’s very simple. double-opened gift boxes have one thing in common, that is, the box itself is very, very difficult to ensure that the box is closed only by the friction between the inner and outer boxes or the mounting of the upper and lower boxes, because of the double-opening feature, will make the box contact area is not like ordinary cartons, even if you pick up the outer box vertically, the inner box will not fall out, in order to ensure that the use of the double-open box when the flow is not hindered, will be relatively wide, do wide will bring a more difficult to rely on the box itself to overcome the difficulties, double open box is not closed tightly.

In the process of packaging color box printing, quality problems often occur due to inadequate pre-press platemaking. Light materials and man-hours are wasted, and products are scrapped in serious cases, causing serious economic losses. In order to prevent the above problems, the editor of Lijia thinks that the following aspects should be paid attention to.

There are two kinds of laser card paper according to whether there is a film on the surface of the paper (that is, whether there is a film on the surface when you tear the card paper by hand) : The first kind is the laser film and the card paper are compounded together by Glue, the second kind is no film, there’s still a laser pattern on the paper.