Electronic organ is an electronic keyboard instrument, which belongs to electronic music synthesizer. It uses large-scale integrated circuits, and most of them are equipped with sound memory (wave table), which is used to store the real sound waveforms of various musical instruments and output them when playing. Its pronunciation volume can be adjusted freely, its range is wide, its harmony is rich, and it can even play the effect of an orchestra, and its expressive force is extremely rich. However, if the electronic organ wants to be sold in the domestic market, it needs CCC certification.

The wireless network card is equivalent to a terminal wireless network device, which needs to access the Internet through a wireless connection network under the wireless coverage of a wireless local area network. Wireless network card is very popular because of its superior flexibility and convenience. However, in general, this kind of wireless products need FCC-ID certification if they want to export into the American market.

USB socket is a kind of universal socket with USB interface, which is safe and energy-saving. USB socket has many advantages, such as preventing the equipment from being connected to the power supply for a long time, saving power, prolonging the service life of the equipment and eliminating hidden dangers. However, in general, such products need KC certification if they want to export into the Korean market.

UL is short for Underwriter Laboratories Inc UL Safety Laboratory is the most authoritative institution in the United States, and it is also a large private institution engaged in safety testing and appraisal in the world. It is an independent, non-profit professional organization that conducts experiments for public safety. Different from FCC certification, UL certification? is a safety certification. UL is mainly engaged in product safety certification and operating safety certification business. Its ultimate goal is to obtain goods with a fairly safe level for the market and make contributions to ensuring personal health and property safety. In the United States, for consumers, UL is a symbol of safety signs, and globally, UL is one of the most reliable suppliers of conformity assessment for manufacturers.

WERCS registration refers to inputting the relevant data of some products (mainly products containing toxic chemicals or dangerous goods) into the official website of WERCS. Such an authoritative audit and appraisal procedure facilitates the cooperation between suppliers and retailers more simply and conveniently, and suppliers with registered WERCSmart are undoubtedly the first choice for retailers to purchase.

KC(KoreaCertification) certification? is a Korean electronic and electrical safety certification system, which is mandatory in Korea. Domestic or foreign manufacturers must obtain Korean safety certification before exporting electronic products to Korea. Since January 1, 2009, Korea electrical product safety certification is divided into mandatory certification and self-regulatory (voluntary) certification. Basically, electrical products whose input voltage range is AC voltage above 50 volts to less than 1000 volts need to accept safety certification, and lithium batteries are included in the KC certification catalogue as mandatory certification products.

MSDS (Material Safety Data Sheet), namely chemical safety technical specification, can also be translated into chemical safety specification or chemical safety data specification. It is a document used by chemical manufacturers and importers to clarify the physical and chemical characteristics of chemicals (such as PH value, flash point, flammability, reactivity, etc.) and the possible harm to users\' health (such as carcinogenesis and teratogenesis, etc.). In Europe, MSDS certification is also called SDS certification, SDS form, or MSDS certificate. Generally, it is used for documents required by the carrier in the process of transportation logistics.

Smart socket is a new type of safety socket, can automatically control the switch, mainly used in home, office and other places, and smart socket set up lightning, anti-high voltage, anti-overload and other functions, can automatically detect electrical current changes, abnormal can automatically power off, very intelligent and safe. But generally such products want to export into the US market are required to handle FCC certification.