The paper making industry is an important industry which is closely related to the development of the national economy and the construction of social civilization.
In the developed countries, the growth rate of paper and cardboard consumption is synchronized with the growth rate of GDP. In the modern economy. Its role has been increasingly attracted worldwide attention, has been internationally recognized as "everlasting" industries in developed countries the United States, Canada, Japan, Finland, Sweden, the paper machine making industry has become the national economy one of the ten pillars of the manufacturing industry. The characteristics of modern papermaking industry are different from that of general consumer goods industry, but technology, capital, resources and energy intensive. Over 80% of the total product is used as production material for news, publishing, printing, commodity packaging and other industrial sectors, less than 20% for direct consumption. The papermaking industry is highly related, involving forestry, agriculture, machinery manufacturing, chemical industry, thermoelectric, transportation, environmental protection and other industries, and has a stimulating effect on the economy of upstream and downstream industries. In today's world, the production and consumption level of paper and cardboard has been regarded as one of the important symbols to measure the level of modernization and the degree of civilization of a country.