人人妻人人澡人人爽人人DVD-久久久久无码国产精品一区乞丐-亚洲mv大片欧洲mv大片精品-欧美 日韩 国产 成人 在线-久久久无码国产精品无码三区三区-一级一级特黄女人精品毛片
Four LED lighting industry standards promulgated

time:2017-07-29 12:26:00 browse:4245次

Evaluation of semiconductor lighting technology alliance, Chinese /LED semiconductor lighting industry and union 30 in Beijing issued a double end LED lamp safety requirements, performance requirements and non directional self ballasted LED lamp specifications, performance requirements of the four LED lighting industry needs standard.


According to the national electric light source quality supervision and Inspection Center (Beijing), there are a large number of enterprises, small scale, uneven product quality issues such as China's LED lighting industry, products exported to the international market are often faced with different standards, certification and other obstacles. The release of the four standards, will fill China's related products in the field of standard blank, regulate and guide enterprises sustained and healthy development.


LED is the abbreviation of light emitting diode. Compared with incandescent lamps and energy-saving lamps, LED lamp has the advantages of more energy saving, longer life and less pollution. It represents the future development direction of lighting products.


China is a major producer of LED lighting, concentrating around 90% of the world's output, and its products are widely sold to the international market. In recent years, many roads, schools, shopping malls, hotels and other large numbers of LED lighting equipment have been used in many cities in china.


National electric light quality supervision and Inspection Center (Beijing) this year has to the International Electrotechnical Commission of the lighting products Technical Committee submitted the LED lamp specifications classification proposal document, has been recognized by members of all countries. This will greatly enhance China's participation and initiative in international LED standard setting, and play its due role in the formulation of international standards for related products.
top
人人妻人人澡人人爽人人DVD-久久久久无码国产精品一区乞丐-亚洲mv大片欧洲mv大片精品-欧美 日韩 国产 成人 在线-久久久无码国产精品无码三区三区-一级一级特黄女人精品毛片