... fiber non-woven, is applicable for industrial hydraulic system filter.GP10TT ItemStandardRemark(Basic weight)150±20g/m2 (Thickness)1 ... Squaremeters.•2003, Research and Development Automotive air filter material,and Establied Retop Filter Materials Co., LTD •2004, Started ... Carbon Non Wovens. •2010, Became the complete Automotive Filter non woven supplier in China •2011, Relocated to Tangxia ...