Employees work at a production line of low energy consumption (LED) light bulbs at a factory in Nanjing, Jiangsu province May 18, 2012. Armed with nearly 2 billion yuan in cash in total, the bigger LED companies are ramping up capacity, despite a slow market, to better capture a larger share of state-backed LED lighting projects China plans to roll out this year, analysts said. Picture taken May 18, 2012. To match Analysis LED-CHINA/ REUTERS/Sean Yong (CHINA - Tags: BUSINESS)