With the lighting-efficiency improved in every single led chip, the same power led high bay needs less led chips. This is very impressive. In the early 2015, the price of led high bay has fallen over 30 percent. In the next few years, led high bay will be more and more popular in industrial and commercial market. The little-to-no maintenance cost and the reliability is the most attractiveness in the led high bay. With the rapid growth of the lighting market and falling price of the led high bay, led high bay will occupy the most lighting market.