SANSI tunnel lights light up 329 National Highway. Stretching 10km, Dadongdai tunnel is the longest tunnel in Zhoushan. C0820-SD ceramic pixel tunnel light is a state-of-the-art LED tunnel luminaire combined with patented ceramic LED technology. It is made of the highest-quality components specifically for tunnels, thus featuring anti-corrosion, anti-acid and anti-alkali, easy maintenance and a long lifetime. C0820-SD provides high visibility within the Dadongdai tunnel while eliminating the 'black hole effect' .
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