ROHS is a compulsory standard formulated by the EU legislation, and its full name is "RestricTion of Hazardous Substancesimed in Electronics Electrical Device".

The standard has been officially implemented on July 1, 2006, mainly used to regulate the material and process standards of electronic and electrical products, making it more conducive to human health and environmental protection.

The purpose of this standard is to eliminate lead, mercury, cadmium, hexavalent chromium, polybrine and polybenzene ether in electrical electronics products

KC certification is a new certification system that was announced by the Korea Advanced Technology and Standards Agency (KATS) on 20 August 2008 in order to make consumers more aware of the certification marks on the products they buy and to reduce the various certification costs borne by product manufacturers.

ISO9001 does not refer to a standard, but is a generic term for a class of standards, which are all international standards developed by TC176 (TC176 refers to the Technical Committee on Quality Management Systems), and is the best-selling and most common product among the more than 12000 ISO standards.

ISO9001 quality management system certification standard is a summary of the development of management theory and management practice in many countries, especially in developed countries over the years, which embodies a management philosophy and quality management methods and models that have been adopted by more than 100 countries and regions in the world.

The ISO9001 international quality management system standard is by far the most mature set of management systems and standards in the world, and is fundamental to the development and growth of enterprises.

The US Food and Drug Administration Food and Drug Administration (FDA), which is part of the US Department of Health, Education and Welfare, is responsible for the national management of drugs, food, biological products, cosmetics, veterinary drugs, medical devices and diagnostic supplies.

EMC certification is the standard for Electro Magnetic Compatibility (EMC), defined as "the ability of equipment and systems to function properly in their electromagnetic environment without constituting an unbearable electromagnetic disturbance to anything in the environment", which means two things. Firstly, the equipment should be able to operate normally in a certain electromagnetic environment, i.e. the equipment should have a certain level of electromagnetic immunity (EMS); secondly, the electromagnetic disturbance generated by the equipment itself should not have an excessive impact on other electronic products, i.e. electromagnetic interference (EMI).

The Federal Communications Commission, or FCC, coordinates domestic and international communications by controlling radio broadcasting, television, telecommunications, satellite and cable. It covers more than 50 U.S. states, Colombia and U.S.-owned territories. Many radio applications, communications products and digital products require FCC approval to enter the U.S. market.

FCC certification is also known as the U.S. Federal Communications Certification. This includes computers, fax machines, electronic devices, radio reception and transmission equipment, radio-controlled toys, telephones, personal computers, and other products that may harm personal safety.

These products must be tested and approved by a government-authorized laboratory in accordance with FCC technical standards if they are to be exported to the United States. Importers and customs agents to declare each radio frequency device to comply with FCC standards, that is, the FCC license.

China Compulsory Certification, that is, 3C certification, is also China's commitment to WTO accession and reflects the principle of national treatment.

China uses compulsory product certification for 149 kinds of products in 22 categories. The new national compulsory certification mark name "China Compulsory Certification". After the implementation of the China Compulsory Certification Mark, will gradually replace the original implementation of the "Great Wall" mark and "CCIB" mark.

Conformite Europeenne, a safety certification mark, is considered to be the manufacturer's passport to open and enter the European market. All products with the CE mark can be sold in each European member state without having to meet the requirements of each member state, thus achieving the free circulation of goods within the EU member states.