Since last year, the cost of imported pulp and wood chips in China has increased year-on-year due to repeated global epidemics, insufficient start-up of overseas factories, port congestion and shortage of containers, resulting in continuous deterioration of supply chain problems.

Recently, a number of paperboard manufacturers around the world announced that they had decided to raise the price of paperboard in response to the cost increase caused by the inflation of transportation, energy, labor, chemicals and other raw materials.