Felt and felt products play a certain role in the socialist construction. It not only has some characteristics of carding fabric, but also some characteristics that can not be achieved by wool textile. It is not only the necessities of the people of our country, especially the majority of the northern minority, but also the indispensable industrial products in the production of national defense industry, machine manufacturing, transportation, petrochemical industry, electronic machinery and electrical, medical and health, light textile industry, etc.