Filter paper requirements
　　Oil filters have higher requirements on filter paper than air filters, mainly because the temperature change of oil varies from 0 to 300 degrees, under the drastic temperature change, the concentration of oil also changes correspondingly, which will affect the filtration flow of oil. The filter paper of high quality oil filter can filter impurities and ensure sufficient flow rate under the drastic temperature change.
　　This paper is organized by dongguan oneness filtration technology co., LTD.