315~400nm–– This kind of light wave is also a far-ultraviolet light, although there is no ultraviolet rays to harm plants, in order to have no direct effect on plant growth, chlorophyll absorption is small, affecting the photoperiod effect, preventing stem elongation. Cob Light Grow Light, King Led Grow Light 1000W , Led Extreme Grow Light, Sweden Led Grow Light ,600 Led Grow Light . LED is used as a light source for indoor lighting, and there are still certain problems with lighting effects. The efficiency, color and service life (attenuation of light) of individual luminaires, as well as the quality of illumination, are not ideal. Although LED illumination is very high and energy consumption is very low, this does not mean that the efficiency of LED lamp light is high, because its overall lighting quality is not high. In addition, LED lighting fixtures need to avoid too strong glare LED grow light features and introduction. Only when the temperature is suitable LED lighting fixtures can be very long, once made into poor quality lamps, in high temperature and closed environment, the lighting effect will drop sharply. The product will supply to all over the world, such as Europe, America, Australia,Bangladesh, belarus,venezuela, Istanbul.Organic farming is an agricultural production system that does not use chemically synthesized fertilizers, pesticides, growth regulators, genetic engineering and ionizing radiation technology in production, but follows the laws of nature and adopts agricultural, physical and biological methods to fertilize the soil, control pests and diseases, and obtain safe organisms and their products.