CE certification provides a unified technical specification for the trade of products from various countries in the European market and simplifies the trade procedure. To enter the European Union and the European Free Trade Area, the products of any country must be CE certified, and the CE mark should be affixed to the product. Therefore, CE certification is a passport for products to enter the European Union and European Free Trade Zone countries. CE certification means that the product has met the safety requirements specified in the EU directive; it is a commitment of the enterprise to consumers, which increases consumers' trust in the product.