... 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 ... mould manufactory etc. for seven years .We have cooperated with many manufacturers, If you are interested in our products ...