LeuchTek is a lighting company that produces and markets LED lighting products. The document provides background on LED lighting technology, highlighting its advantages over traditional lighting like long life, high efficiency, small size, and short reaction time. It then gives an overview of LeuchTek's product portfolio, which includes 3W to 200W spot lights, day lighting bulbs, and discrete LED chips. The document also lists the company's strengths in offering high-power LED products at competitive prices and with patented designs.