... testing machine to ensure the quality 2.We export to the indian market ($9000,000) about 12~13 years 3U Energy Saving Light ... Feature:1. Compared with the common lamp,it's energy saving 85% .2. High efficiency ... , hotels, office, house, meeting hall, shop, esp. for workshop, factory,etc... Exhibition Picture: 11/15/18w 3u series Energy saving light