The global polyurethane market is mainly distributed in developed countries in Europe and the United States. China, Japan and South Korea are the main representatives in the Asia Pacific region. The above countries and regions account for 90% of the total global polyurethane market, of which China's total polyurethane consumption accounts for half of the world. There are many kinds of polyurethane products in the world and they are used in various fields. By the end of 2016, the total output of polyurethane in the world has reached about 22 million tons.