The belt body is made of high-quality synthetic neoprene or PU, the skeleton material is high-quality glass fiber cord, and the toothed surface is protected by high-wear nylon elastic cloth. The product has good dynamic bending performance and anti-cracking performance, excellent ozone performance, and also has the characteristics of aging resistance, heat resistance and wear resistance. Thickened, perforated or other special request belts can be customized.