It can save raw materials and increase the output of paper. Recycling can save a lot of paper raw materials and increase the output of paper to meet the needs of people's life and industry. At present, the world's annual demand for wood is more than 2 billion cubic meters.

Office paper (mainly copier paper) shall be smooth with moderate smoothness.

Paper is one of the four great inventions in ancient China. As early as 105 years ago. Cai Lun summarized the use of hemp fiber in papermaking since the Western Han Dynasty, and improved the papermaking process by using raw materials such as bark, hemp head, rag and old fishing net.

Desk calendar is a very common small object in people's daily life. When the new year comes, people will buy it. So, what are the key points to pay attention to when printing desk calendar?