3C mark: The name of China's national compulsory product certification mark is "ChinaCompulsoryCertification", or "CCC" for short. According to Article 5 of Chapter 1 of the Regulations on the Administration of Compulsory Product Certification, all products listed in the Catalogue of 3C Compulsory Product Certification must be certified by a 3C certification institution designated by the state, obtain a 3C certification certificate issued by the designated 3C certification institution, and affix a 3C certification mark before they can be sold, imported and used in business activities. Generally, CCC marks on safes and safes can be identified by the following methods: 1 and 3C marks will be destroyed once exposed. The logo of 2.3C is black on a white background. 3. "S, EMC and S& are on the left of the word" CCC "; E "is dark red under fluorescence, and a close look at the" CCC "map can also reveal some small diamond-shaped" CCC "secret records. 4. Look at random numbers. This is where the "CCC" logo is not easy to be counterfeited. Every compulsory product certification mark has a unique code. When issuing the compulsory product certification mark, the certification mark issuing management center has entered the product corresponding to the code into the computer database, and consumers can query the code through the CNCA compulsory product certification mark anti-counterfeiting query system.