Products sold in the US market require compulsory UL certification. Whether it is a product in the United States or a product exported to other countries, UL certification testing is required. We can see many electronic products in the market. All products have UL certification marks. This is a test of the product’s conduction and radiation. It has important significance in the US market. UL certification is an important passport and pass in the US market. Only with this mark can products enter smoothly To the US market.
