Wenzhou Chinese Fiber Co.,Ltd product of Acoustic insulation material and 3m thinsulate acoustic insulation material are absolutely same products. It is made by melt blowing micro- fiber including diameter 1-4 micron superfine fiber (PP) and 20-30 micron staple fibers (PET). The product has good performances of acoustic insulation (soundproofing materials), meanwhile, it has more characteristics as: environmental, light weight, hydrophobic, compressible, flexible installation ect. It is widely used in many fields, such as: automobile, high speed train, tube project, ship, yacht, air plane, aviation & spaceflight, household appliance, office equipment, machine, laboratory, piano room, cinema, meeting room, building & decoration, equipment sound insulation, workshop ect.