Current location - Training Enrollment Network - Books and materials - Is there a plastic package for the genuine textbook of senior high school mathematics published by People's Education Press?
Is there a plastic package for the genuine textbook of senior high school mathematics published by People's Education Press?
Belt.

Plastic packaging can prevent books from being illegally copied or pirated, protect copyright, protect the legitimate rights and interests of genuine books, and also protect the appearance of books so that books will not be defiled during transportation and exhibition. Therefore, the genuine high school mathematics textbooks published by People's Education Press are all packed in plastic.

Plastic packaging is a processing method that a double-layer soft film is sandwiched in the middle of printed paper, and then the film is heated by a plastic packaging machine to bond around it, thus forming sealed paper.