Zhejinag Bistar lighting group co., ltd, which founded in 1984, is specialized in producing lamps, such as metal halide lamps, high pressure sodium lamps, energy saving lamps, halogen lamps and so on. Our goal is not only to just proudce high light efficient and long life time lighting source, but more important is to make our lamps with more energy saving and do not do any harm to the enviroment. While persisting in the quality principle of continuous in innovation, we pursue higher goals to