Shandong Renfeng Special Materials Co., Ltd positioning in theproduction, R&D and sales of high-end filter medias in china.It has fixed assets of 600,000,000RMB and more than 500 staffs. Thecompany invested 2 production lines for special papers and 2impregnation lines. 1 line of alcohol soluble resin was importedfrom German Vits. There is a team of R&D and foreign experts todevelop products and improve technology. Renfeng use wet-laid tomake automotive filter papers by imported wood pulp from USA,Canada, Swedish, etc. With testing equipments of air permeablilitytester, apertometer, burst tester, stiffness tester, tearing testerand others, stable quality of filter papers could be guaranteed.The company had passed the ISO9001 Quality Management SystemCertification , ISO 14001 Environmental Management Systems, andISO/TS16949 Auto Industrial Quality Management System. On-goinginnovation of products, technology and service to continuouslycreate value for every customers is our eternal pursuit.Since the production in 2013, several categories of filter mediahad been developed and stably produced, they are as follows:Air filter paperOil filter paperFuel filter paperFlame retardant oil filter paperOil-water separation fuel filter paperHigh efficiency and dust holding capacity air filter mediaDouble Properties filter mediaWe will devote ourselves to developing Chinese filter media andworld-class âchina brandâ.Â