We, Mefine Electronics Technology, are the earliest and one of the leading HID electronic ballast manufacturers in China. Mefine is specialized in electronic ballasts for MH (metal Halide ),HPS(high pressure sodium ) lamp , from 20W to 1000W, which are widely used in hydroponics lighting ,indoor garden grow lighting, commercial lighting ,industrial lighting, road lighting?As a professional supplier of electronic ballast ,we provide worldwide customers the service of manufacturing at the competitive prices and good quality. ISO9001/14001 standard has been strictly followed by us and all products are verified by CE/UL/FCC/ROHS/CQC. Every year ,more than 100,000 ballasts are exported to and sold in global market.Whether OEM or ODM, if you want to find a reliable partner for electronic ballast in China, Mefine will be a very good choice! Any requirement, please contact us : Steven Zhang/international department