... to ensure the quality 2.We export to the indian market ($9000,000) about 12~13 years 3U Energy saving Lamp Feature:1 ... . Compared with the common lamp,it's energy saving 85% .2. High efficiency and noiseless;3. Long lifespan, up to 10 ... , meeting hall, shop, esp. for workshop, factory,etc... Exhibition Picture: 100% tri-phosphor 3u Energy saving light bulb