Common incandescent light is fading away in customers’ lives. According to “Incandescent Replacement Roadmap” released by National Development and Reform Commission and related authorities, common incandescent light of 100 wattage and above are prohibited from importing and selling from this Oct, and incandescent light of 15 wattage and above are prohibited since October 1st,2016. After incandescent light is replaced, due to the poisonous material used to produce energy saving light, the replacement of energy saving light will have a future not so optimistic since the poisonous material mercury is not degradable and not good to the eco environment. Finally energy-saving and environmentally friendly led high bay will win and welcome a thriving spring.