1, characteristics. The characteristics of the double-shoulder safety belt certificate are permanent, with a permanent trademark, and the characteristics of the five-point safety belt certificate are high strength, wear resistance, durability, mildew resistance and acid and alkali resistance.

2. Function. The certificate of shoulder belt is the safety certificate of protective equipment to prevent people from falling, and the certificate of five-point seat belt is the symbol of quality assurance, which can prove that the product has reached the requirements and can reassure customers.