We Xinxiang Tianrui Hydraulic Equipent Co.,Ltd are filters manufacturer located in Xinxiang City, Henan Province,China.We have More than 10 years experience in filtration industry,malinly products are replacement filter element  & high/low pressure filter& locomotive filter & oil purifier , Widely used in aviation, aerospace, railway, mining machinery, metallurgy, chemical industry, machinery manufacturing, etc .Already get ISO9001: 2008 certification