The company's product needle punched filter felt is a filter material used for gas-solid separation and liquid-solid separation. It belongs to the field of environmental protection products. Its products include needle punched filter felt for water treatment, air filter material, normal temperature needle punched filter felt, medium temperature needle punched filter felt, high temperature resistant needle punched filter felt and other products, as well as various composite, coating, impregnation, gradient and film covering products, which are widely used in metallurgy, iron and steel, chemical industry Purification of high-temperature smoke and dust in grain, highway construction, power generation, carbon black, cement, waste incineration and other industries.