SG-NG/JLY/GGY series Electronic Ballast products is initiate all-purpose in high voltage sodium lamps metal halide lamp and high voltage mercury lamp. It has characteristics of small volume, light weight ,beautiful exterior ,little noise low temperature ascending, full-scale function and excellent performance .It's green environment protection performance has great practical significance and profound history significance for human sustainable development .It improves lighting quality obviously and meanwhile, reducing operation cost .It has not only notable economic effect but good social effect. HID light electrical ballast is energy saving environment protection green product that adopts requirement of human sustainable development strategic and it will surely become renewing mainstream product of inductance ballast .It is a kind of very economical and practical ballast.