On August 7, the Zhongshan Iron Bridge, the first bridge of the Yellow River, will transform into beauty. 848 colorful light bulbs will decorate the night view of this century-old bridge. At that time, a beautiful seven-color rainbow bridge will appear on the Yellow River.

It is reported that the Lanzhou Municipal Engineering Management Office is responsible for replacing all the original T5 warm color lamps on the Zhongshan Bridge with LED colorful point light sources. This new type of lighting device emits seven kinds of red, orange, yellow, green, blue, blue and purple light. 848 energy-saving light bulbs change the color of the whole color every few seconds. From a distance, it looks like a colorful bridge that constantly changes color. This new type of light bulb can not only change 7 kinds of colored lights, but more importantly, it is very energy efficient. Each light bulb is only 10 watts. Compared with the previous 28 watt T5 tube, the power consumption is only 40% of the original. about. Moreover, the bulb is sealed in a plastic box and is not corroded by external contaminants such as moisture. It is understood that Zhongshan Bridge is the only bridge in the Lanzhou section of the Yellow River to install this new type of light bulb. It is reported that these colorful lights will debut on the evening of August 7.

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