Longsun Technologies is specialized in manufacturing quality Power Supply products since we established in 2002, which is the 100% reinvestment subsidiary of Jung Shing Wire Co., Ltd. (JSW group) . Our main productiong line are as following, * DC / DC Converters * DC / AC Power Inverters * CCFL / LED Emergency light * LED Driver * CCFL Inverters * Light Box Our experienced R& D team can always offer the immediate technical service to our customers, besides, we provide the most competitive price and on-time delivery to target all your needs. Please feel free to contact us, if there is any question.