Environment Import Export

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China

Monday, July 24, 2006

Quantity : high - Price : on the basis of prod

LED is Light Emitting Diode. It is a kind of semiconductive solid illuminant parts of an apparatus. Itgives outlight for it has a solid semiconductive CMOS chip. When it is added positive electricityto both sides it gives out light of red ,yellow,green orange,purple,and white. Various...