The Hebei Province Anping County Chang An petroleum chemical industry equipment limited company had been established in 1996, which is located in anping county .It is a modernized enterprise ,established by the filter designing experts and making experts ,which is a whole system with the research, the design, the production and the sale departments . The company has a capable team . There is not only many experts , but also the advanced production equipment and the perfect central laboratory, kinds of experiments and checker, and perfect post-sale service . The products are sold to America, Egypt, England, Holland, Mongolia, Australia, Bangladesh, Pakistan, Thailand, Indonesia, Uganda,Germany, Japan, Greece and so on , and many national provinces and cities . The leading products of the firm are fuel filter such as Gasoline ,diesel oil , ethyl alcohol , fuel oilfilter ,jet fuel, natural gas,machine oil filter element, air filter element, medical filterelement and industral filter. According to the product consists of : Particle separation, impurity separation, gas separation, oil-water separator, self-cleaning and so on. We have the superiority of Anping wire mesh , produce many kinds of filters (which filter out from the wire mesh),the mesh and the pieces of filters(special specification can be made to the sample of blueprint). The precision of the filter is an absolute value not a nominal value or an average value.