Yidaibao technology development co., LTD. Is a professional provider of PP/PET fibrous sound absorption (acoustic insulation) materials to the automotive industry. For over 10 years, our technology has formed long term relationships with our customers. We have unique and long term experience in acoustic and thermal insulation, vibration damping and harshness for vehicles. The solutions we offer are specifically and individually designed to work with the vehicle concept, helping to achieve the desired performance, regulatory approvals and manufacturing requirements of the automotive industry.