208 use cylindrical polyester plush fabric as filter material which has better dust effect, to have good ventilation, high efficiency dust removal, and a certain degree of acid, alkali and heat capacity of the weaving process used in the multilateral brushed to enhance the thickness of the fabrics, the rich flexibility, so the effect of dust, and dust removal rate of 99.99%. These two kinds of products have been widely used in petroleum, chemical industry, metallurgy, mining, cement and dust, such as environmental protection industry, metallurgical company on the north-west, north-west oil companies, Chinas cement plant, cement plant in Asia, Anshan Iron and Steel Company and the relevant environmental protection equipment manufacturing industry Dedusting use, are up to good effect of dust, was generally welcomed, the factory also produces high temperature resistant glass fiber filter bag is the ideal choice for the cement industry to negotiate