The reduction of manufacturing cost is the cost control at OEM, which includes reducing material cost and improving manufacturing efficiency. Other costs include cost of encapsulation, heat sink, components and driver. The reduction of general cost is not only related to manufacturing and encapsulation of chips, it is also affected by components, heat sink, driver design and manufacturing process. The supporting policies in major countries and cost reduction of led high bay will certainly trigger the explosion of LED lights application. The LED Lights market is a market of billions dollar. The coming 3-4 years will the golden growth period for LED.