tongchi filter assembly factroy is specialized in automobile filter and the filter accessories. recently, our company have a knowledgeable and experienced engineering technology team, and yearly experience in developing and producting mold of car filter which modles at a time , cabin air filter envrionmental protection paper wick heating mold and other ***** the foundation of yearly reserch, our factory has developed the PPair filter , the cabin filter as well as the oil filter and the fuel filter which are made by the Europe and the United States Paper Core grid , Nowdays , our factory has developed more than three hundredsets of mold and injedtion molding ***** can produce and process various filtering products , the quality of which has reached the internaational acvanced level.