Large scale LED encapsulation industry with fine equipment does exist in China, but the encapsulation technology, material and technique is still lagging behind.2. There is a lacking of standards for led high bay such as LED lights system and driver. Some enterprises have their advantages in developing self-owned products, and others are simply following or copying. The varying qualities and different specifications of products make it hard for product to exchange parts and maintenance.3. There is a gap between testing methods and actual effect for LED Lights. The issues of heat sink and unstable LED lighting driver lead to shorter lifetime than theory.