The raw material wood pulp for automotive filter media are imported from Canada, Sweden, USA, Brazil and so on. There are 2 base paper production lines, 2 coating lines for water soluble resin and alcohol soluble resin. For phenolic impregnated filter paper, the phenolic curing line was imported from German VITS which is of the most advanced technology in the world. The processed width of filter paper is between 10mm-1750mm.