Superbelt serpentine belts (or Poly-V Belts) are made with ethylene propylene diene monomer (EPDM) rubber and heat treated cords to provide a high elastic modulus and shock load resistance. The belt is used to transfer energy between the different components of your vehicle. Superbelt offers a large variety of high performance belts for automotive, agricultural, and industrial use. Our manufacturer quality management system (QMS) has been certified to ISO9001 and ISO14001 standards in South Korea.