2011 is optimistic about the top 10 LED lighting companies in the market
Category: 202402
Liu Shenghan, an outstanding inheritor of Chinese folk lanterns (photo)
LED lighting profits plummeted, traditional lighting companies have a dilemma
Harmonic control of castings, smelting, and the use of mid-frequency furnaces
Copper and other raw materials go high, go low, or pull costs down
GTAT will supply large diameter sapphire core material to Chongqing Silian Optoelectronics Co., Ltd.
A stumbling block that hinders the development of LED lighting