CE, abbreviated from the French word "Communate Europpene", means the European Community. The European Community later evolved into the European Union ("EU").

In the EU market, CE certification is mandatory. Whether it is produced by an enterprise within the EU or imported by other countries, in order to allow products to circulate freely in the EU market, the CE mark must be affixed to indicate that the product complies with the EU's New Approach to Technology Coordination and Standardization (The New Approach to Technical harmonization and standardization) basic requirements of the directive.

Therefore, the CE mark is considered to be “a passport that the manufacturer opens and enters the European market”.

For different products, the EU has issued more than 20 technical directives, all products within the scope of these directives must meet the requirements of the relevant directives. Common instructions are:

Unlike the certification mark, the CE mark is a self-declared mark that is attached to the product by the supplier and generally does not require third-party product testing. However, in some cases, the order will require your product to undergo mandatory verification by the notified body. Water is a designated agency (NB) that is accredited by the European Union. It can conduct product testing in a wide range of CE directives (safety, EMC, energy efficiency, RoHS, WEEE, etc.) to meet the necessary conditions for customers to enter the EU market.