Even the led high bay is the cutting edge technology in lighting industry, the led market is not so well as what we think. This new generation of led high bay is still too expensive for some companies which couldn’t afford retrofitting to Led high bay. And the badest thing that many capital coming into led industry and vicious competition make the led high bay a mixed bag and a chaos market. And the new led market is also lack of rules which damage the reputation of the led high bay. Plagiarizing the thermal management, same appearance, mislead the customers to choose the cheap one instead of the genuine one.