UL is short for Underwriter Laboratories Inc. (Underwriter Laboratories Inc.). The UL Safety Testing Institute is the most authoritative in the United States and the largest private organization engaged in safety testing and identification in the world. It is an independent, non-profit professional organization that conducts experiments for public safety. It uses scientific testing methods to study and determine whether various materials, devices, products, equipment, buildings, etc. are harmful to life and property and the degree of harm; to determine, compile and issue corresponding standards and help reduce and prevent life Data on property losses, while conducting fact-finding research business. In short, it is mainly engaged in product safety certification and business safety certification business, and its ultimate goal is to obtain products with a fairly safe standard for the market, and to contribute to the guarantee of personal health and property safety. In terms of product safety certification as an effective means to eliminate technical barriers to international trade, UL also plays an active role in promoting the development of international trade.

UL is a product safety testing and certification organization, and she is also the founder of American product safety standards. Over the course of more than a century, UL has conducted relevant safety standard tests on hundreds of products and components and evaluated its management system in accordance with international standards.

The passing of UL indicates that our company's product quality has been in the forefront of the industry and is moving towards a more perfect direction......