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For LEDS are new type of light source, and have short history, it still need to constantly improve in the field of lighting research and the development of production technology. At present countries has no complete industrial standards.

For  youth, home is the place of art and romantic. wrou […]

According to the reports of CNET, recently released a v […]

Recently, some big sites popped up the different price […]

  Southern daily, in the “area” all th […]

In this year, smart car become the highlight of electro […]