led high bay is a new type of light. More than a decade ago, LED Lights had entered the market. However, LED light was not quite accepted by the market at that time due to its own technology restricts and expensive prices. After the development during the past years, the technology of LED lights has now getting mature and all types of index have been recognized by the market. The technology of chips used in LED lights has reached a high standard. In the next decade, more and more manufacturers will enter the market.