led high bay is exploring and marching forward in lighting area and seeing more applications. As function lighting, LED Lights still have a distance from being mature in products or technology. There are still some problems to be solved that are conforming to the law of development. 1. LED chips are mainly imported and few domestic chips are used. High power (10,000 or above) chips are not manufactured and domestic technology and intellectual property are absence; large scale LED encapsulation industry with fine equipment does exist in China, but the encapsulation technology, material and technique is still lagging behind.