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: 320w metal halide lamp: it can replace 400w metal halide lamp with better performance, but power consumption only 60% of 400w. 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. Welcome all kinds of cooperation to develope together. Tel:0086-21-66166055 or 66162340