We are an experienced electrical company specializing in the manufacture of plugs, adapter, PVC insulated wire & cables, wire harness assembling, audio-video cables, power cords, rectifier, transformer, ballast, circuit board, transformer switches, and lamp holder for electrical & lighting lines. Now we have developed some new products. That?s the electronic transformer and the electronic ballast with could be applied to any difference power supplies. www.qiang-li.com