Is your country encouraging your people to save energy everyday? And are your customers headaching for the electricity fee they have to pay everymonth? Shanghai Deda Industry and Trading Co.--A Singapre company located in Shanghai is the only company who is studying and developing the most efficent lighting products with the lowest power consumption . After combining the most advanced lighting technology and researching with the most famous lighting professors in China, we have successfully developed the following products: 1, double powered sodium lamp: this sodium lamp can be 250w and 150w as your setting, for example it can be 250w from 18:00 to 22:00, then change automatically to 150w from 22:00 to 6:00 as you fixed time, thus save energy 50%. 2, 320w metal halide lamp: it can replace the 400w metal halide lamp with better performance, but power consumption only 60% of 400w. 3, 72w fluroscent tube: one tube can replace 3x36w T8 fluorescent tube, it is most usefull in the super market, school and other big building. 4, all kinds of electronic ballasts for sodium lamps and metal halide lamps with the lowest power consumption and  best performance. Most of our products are widely used in the most important projects in China such as Shanghai Pudong Air Port, The Oriental TV Tower and NanPu bridge and so on. And also we are exporting to world wide such as USA, Europe and Japan and singapore, we have set up our names for good quality and best services.