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Jiqing High-speed Railway Qingdao Hongdao Station Fire Fighting！
The Guanjiao Tunnel is the world's longest tunnel with high altitude and is the first long tunnel in China.
Qinling tunnel fire protection
Yanchong Expressway, Xingyan Expressway, Zhangshi Expressway, Heyi Expressway, etc.
Jinan Metro Line R1, the whole line of water pipelines are antifreeze
Pipeline electric heating system for the first phase of Shijiazhuang Metro R1 and R3
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Service Hotline
0531-88612345
Headquarters telephone：0531-88612345
After sales call：400-008-9905
Headquarters address：Building 105-106, Building 16, Phase 4, Times Headquarters, No. 30 Lanxiang Middle Road, Tianqiao District, Jinan, Shandong, China
Production base：Xinxing Street, Industrial Park, Shanghe County, Jinan City
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