using in auto oil filter dear sir this is Mr. hagon from Shijiazhuang Kelin Filter Paper Co., Ltd is ... are Leading Manufacturers of paper products, filtter paper, air filter paper, oil filter paper and fuel filter paper..Product Description Our company ... our company.Thanks a lotMr. HagonMoblie:15032163427Shijiazhuang Kelin Filter Paper Co, LtdWestside of Nanbaitanqiao, Cangshi Road, Jinzhou, Hebei ...