In September 2015, urban and Rural Construction Committee of Yunyang county economy and Chongqing urban construction (Group) Company signed the Yunyang county city road lighting facilities LED green energy-saving and lighting upgrade project construction contract. The project take the form of energy management contract period of fifteen years, Chongqing green science and technology development limited company made the "ten Hui card" LED intelligent street lamp products and color temperature, brightness adjustable anti haze LED Internet plus remote three remote intelligent control system, the implementation of energy-saving lamps in the city of Yunyang county. After more than two months of design, manufacturing, installation and commissioning, in December 18, 2015, the project has been fully completed, 7000 LED smart street lamps have been officially put into use.

The completion of city road lighting project has brought many benefits to the city lighting: one is the road surface illuminance uniformity and brightness uniformity of road lights, high color rendering index, night lighting intelligent dimming, solved using closed loop which brings lighting shadow traffic problems, ensure traffic safety. Two is the use of color temperature of tunnel lighting in the tunnel, Tan Yan Qun Yi Lu under the anti fog and haze, adjustable brightness LED lamp, can be adjusted according to seasonal changes in color, brightness, improve human sensory comfort. Such as spring and autumn, light color temperature adjustable 3700K (Nuan Baiguang); in summer, light color temperature adjustable 4000K (Zheng Baiguang); in winter, the light color temperature adjustable 3500K (Qian Huangguang); haze lamp color temperature adjustable 3000K (yellow), anti haze, security tunnel safety lighting. At the same time, the brightness of the lamps can be adjusted according to different periods at night, and the power saving rate is improved. The three is the main road through the use of "Internet plus remote three remote intelligent control system, the realization of the city intelligent lighting system management. The four is green lighting, energy saving and environmental protection, the energy saving renovation project total saving rate up to 60% above theory, the annual saving of more than 263 degrees, equal to reduce the burning of 1052 tons of standard coal, reducing 2622 tons of carbon dioxide emissions, 79 tons of sulfur dioxide and 40 tons of nitrogen oxides.
Yunyang County town of energy-saving lighting success, really implement the seven plenary session of the four session of the municipal Party committee adhere to green development "concept, not only take the contract energy management in the implementation of energy-saving lighting city has played an exemplary role in all districts and counties, also let the people enjoy the beautiful LED intelligent street lamp green light.