The industry believes that thanks to a series of industrial support policies, China's LED lighting industry has a huge potential market. According to statistics, from 2009 to 2013, the compound growth rate of market size reached 43. 5%. 58, it is estimated that by 2013, the scale of China's LED lighting market is expected to reach 73 billion yuan. Among them, the application of LED lighting in commercial lighting is gradually transferred from early functional lighting to main lighting application, because commercial lighting has high turnover rate and long-term use, the penetration rate of LED lighting has increased simultaneously with the market scale. In 2012, the penetration rate of LED lighting in the commercial lighting market has reached 15. Housing is a large application market for lighting. LED lighting system quickly enters the residential lighting market with bulbs to replace traditional bulbs. However, due to the high sensitivity of consumers to prices, therefore, the penetration rate of LED lighting in the residential lighting market in 2012 is about 13, which needs to be improved. The demand of office lighting is energy saving, and the demand of LED lighting is to replace the traditional fluorescent tubes and cut into the office lighting market. However, LED tubes must also face the price competition of T5 fluorescent tubes, therefore, the penetration rate in 2012 is only about 11, and there is still much room for growth.