Led Bulb is a new kind of energy saving light. Traditional Filament Lamp(Tungsten Lamp)is high energy consumption and short life, every government prohibit production in the nervous environment of global resources. Many Led Bulbs are increased energy saving, but many are used heavy metal elements which pollute the environment. With the rapid development of Led light technology, Hua Deng Led lighting gradually become the best choice. Hua Deng Led Bulb is much better than traditional lighting products in the light principle, energy saving and environmental protection.