led high bay has a huge advantage when comparing with traditional ones in Global market. This advantage lies in the high performance and long lifetime which reaches more than five years. After five years of usage, there’s still 70% of luminous flux. If chips from Cree, Nichia or OSRAM are used, then the lifetime can be prolonged to seven to eight years. Since LED Lights are free from hazardous materials, they are widely promoted in many countries. Although the price of LED lights is a bit high, local governments are willing to provide subsidies on LED lights.