1.Automobile soundproof membrane 2.ISO9001:2008 Products 3.Type:HDBZ ... ST300,RD350,RT335,HDI320,etc Other types of automobile membrane: HDT,HDTZ,HDS,HDSZ,HDI,HDIZ,etc.Professional ... manufacturerQuality guaranteedItemST300 automobile HDBZ SOUNDPROOF MEMBRANECertificationISO9001:2008TypeCloth membrane (HDB/HDBZ)Available ModelD250,ST300,RD350,RT335,HDI320,etcPackingBox ...