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TELEC (Telecom Engineering Center) is the main registered certification body for conformity certification of radio equipment in Japan. Japan’s \"Radio Law\" requires type approval (ie, technical regulatory compliance certification) for designated radio equipment. The certification is mandatory. The certification body is the registered certification body TELEC (Telecom Engineering Center) recognized by MIC in the scope of designated radio equipment. It is the main registered certification body for the conformity certification of radio equipment in Japan. It is one of the designated issuing agencies of MIC, so it is collectively called TELEC certification.

Lamps are an indispensable lighting tool in our daily lives. It is not only limited to lighting, but more often it can play a decorative role. Therefore, the choice of lighting lamps is more complicated. It not only involves safety and power saving, but also And it will involve many factors such as material, type, style and taste. A good lighting may become the soul of decoration. If the lighting is exported to the EU, it needs to pass ROHS inspection.

Textiles are products made by processing and weaving textile fibers. They are divided into two categories: woven fabrics and knitted fabrics. China is one of the first countries in the world to produce textiles. Textiles and garments exported to the EU must pass REACH certification.

There are many types of batteries, including rechargeable batteries, disposable batteries, button batteries, solar cells, etc. Although the battery is inconspicuous, it has a high safety hazard. There are many items to be tested when the battery is tested, especially when the battery is to be exported abroad for IEC certification standards, it is necessary to test the various safety indicators of the battery to ensure The batteries you are using and exporting will not cause safety hazards and malfunctions to users. Safe and high-quality batteries will not only be popular in China, but also can quickly open up foreign markets and become popular in foreign markets.

SRRC certification is type approval certification. Radio transmission equipment sold in mainland China requires type approval certification. Model refers to the product. Approval means testing, evaluating, reviewing, etc. of the product and issuing certificates. The certificate is issued by the Ministry of Industry and Information Technology (Ministry of Industry and Information Technology). Model approval is customarily called SRRC certification.

Digital products include MP3, U disk, digital camera/camcorder, etc. Any machine that can stop operation through numbers and codes and can be connected to a computer is called a digital product. Main varieties: computers, cameras, camcorders, digital cameras, speakers, MP3, MP4, MP5, mobile phones, voice recorders, DVD players, digital and analog phones, set-top boxes (digital-to-analog converters), wei Stars accept installations, televisions (not in the past, because they are waveform circuits, televisions are processed by digital signals), and digitally controlled home appliances. The presentation of digital products makes people\'s lives more colorful.

Switching power supply is a power supply that controls the on and off of the power supply and maintains a stable output voltage. The switching power supply is generally composed of pulse width modulation (PWM) control IC and MOSFET. With the development and innovation of power electronics technology, the switching power supply technology Also constantly innovating.

RoHS is a mandatory standard established by EU legislation. Its full name is \"Restriction of Hazardous Substances\" (Restriction of Hazardous Substances). The standard has been officially implemented on July 1, 2006, and is mainly used to standardize the material and process standards of electrical and electronic products, making it more conducive to human health and environmental protection.