The logo on the master mold sleeve refers to a representative groove pattern carved on the gravure mold, filled with colored ink, and then pressed onto the surface of the printed matter, so that the colored ink can be printed from the groove. This printing method is called gravure printing. Common marks on the master mold sleeve are trademarks of some items, lottery verification codes and some tax stamps.

Logo on the master mold sleeve is a means to protect intellectual property rights, because gravure patterns are usually difficult to copy, so it can effectively prevent counterfeiting. At the same time, the logo on the mold sleeve can also beautify and upgrade the product grade, which is often used for the packaging of some high-end goods. In the lottery, the logo on the master mold sleeve is usually used as an anti-counterfeiting means to ensure the fairness of the lottery.

The maintenance of the logo on the die set usually needs professionals, who need to have enough experience and technology in the preparation of color ink and the maintenance of printing presses. At the same time, in the process of using the printing machine, it is necessary to formulate corresponding norms and management systems to ensure the accuracy of the logo and the anti-counterfeiting effect. In addition, we need to be alert to common counterfeiting methods, update printing technology and improve security measures in time to protect the intellectual property rights of enterprises and the interests of consumers.