Chongqing beibei guotong: started global LED street lighting energy-saving transformation
Date:2011-11-16 15:49
ards for illumination. If you follow all met national standards for illumination calculation, input costs $ 18.175 million a year. All into green lighting LED light source, year input expenses, amounted to $ 4.5 million. Comparison of overall economic efficiency: by measuring, in theory, annual savings of maintenance fees and electricity charges amounted to $ 13.675 million.
If new 5,090 Street lamp by lamp, sodium lamp, metal halide configurations, to national standards for illumination, year
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