"CE" mark is a kind of safety certification mark, is regarded as the passport of the manufacturer to open and enter the European market, CE stands for European unity (CONFORMITE EUROPEENNE). Where the "CE" marking products can be affixed to the EU members of the domestic sales, without having to comply with the requirements of each member state, thus realizing the free flow of goods in the EU member states within the scope of the free flow of goods.
LVD stands for Low Voltage Directive, EMC stands for Electromagnetic Compatibility Directive, ERP stands for Energy Consumption Directive, and RTTE stands for Radio Television and Television Equipment Directive, while EN begins with standard.