The "CE" mark is a safety certification mark that is regarded as a passport for manufacturers to open and enter the European market. All products bearing the "CE" mark can be sold in each EU member state without having to meet the requirements of each member state, thus achieving the free circulation of goods within the EU member states.

In the EU market, the "CE" mark is a compulsory certification mark. Whether it is a product produced by an enterprise within the EU or a product produced in other countries, if it wants to circulate freely in the EU market, it must be affixed with " CE" mark to indicate that the product complies with the basic requirements of the EU's "New Approach to Technical Coordination and Standardization" directive. This is a mandatory requirement imposed by EU law on products.

The word CE is abbreviated from the French "Communate Europpene", which means European Community. The European Union later evolved into the European Union (EU for short). The so-called 3C certification is China’s compulsory product certification system, the English name is China Compulsory Certification, and the English abbreviation is CCC.

The full name of 3C certification is "Compulsory Product Certification System". It is a product conformity assessment system implemented by governments in order to protect consumers' personal safety and national security, strengthen product quality management, and implement in accordance with laws and regulations. .

3C certification is the abbreviation of China Compulsory Product Certification. Unified regulations have been made on the legal basis for compulsory product certification, the product scope for which compulsory product certification is implemented, the use of compulsory product certification marks, and the supervision and management of compulsory product certification.