The led high bay is going to occupy more and more lighting market in the whole world. With more and more kinds of led high bay from various manufacturers, there comes to many problems in quality. The following is the requests in led design.The LED high bay working environment is always extremely, humid, high temperature. And to make sure a 150,000 hours lifespan, the led high bay has to pass the aging test. Each E-lite led high bay has to pass the 72 hours aging test before going to market.