Filter expertDear friends ,We are professional manufacturer in engine oil filters fuel filters and air filters for automobiles. We have developed more than 500 models and have a productivity of 5 million per year sold worldwide . Hengguan was certified with ISO9002-1994 in 2002 and ISO9001-2000 in 2002 . and it is soon to be certified with ISO/TS16949:2002 Quality certification in filter manufacturing . Our characteristic: Firstly , we can make original filters Secondly , we can make filters as you send us sample .Thirdly , our low price and high quality is fit for any of the market as you want