UL certification

UL certification was established by UL Co., Ltd., a global testing and certification agency and a standard development agency [1]. Since its establishment in 1894, UL has issued nearly 1800 safety, quality and sustainability standards, of which more than 70% have become American national standards, and UL is also the development agency of Canadian national standards It is mainly used in general terminal products that consumers can buy directly from the market, such as household appliances, computers, heaters, fuses, power boards, smoke detectors, fire extinguishers and other products. All products with UL listing marks indicate that the representative samples of the products meet the relevant UL safety standards.