We are a professional paper dust bag & special filter manufacture since 1994 in Ningbo China, we have imported advanced automate-paper-bag-machine from Germany.our Products are used for vacuum cleaner etc.. our product export mainly to Europe and America, our main product include paper dust bag Clothing dust bag and PP non-woven dust bag,and so much defferent kind of special filter,for exampleHEPA..,we can also produce as customersample,if you need more information,please contact us by e-mail or Fax