Fire extinguishing at Qingdao Hongdao Station of Jinan-Qingdao High Speed Railway
The Guanjiao Tunnel is the longest high-rise tunnel in the world and the longest tunnel in China.
Qinling Tunnel Heating
Yanchong Expressway, Xingyan Expressway, Zhangshi Expressway, Heyu Expressway, etc. D.
Anti-freezing of water pipes of metro lines R1/R3
Pipeline electric heating system for the first phase of the project of Shijiazhuang metro lines 1, 2 and 3!
Rail transport
Shandong Huaning Electric Heating Technology Co.,Ltd
Email: hnxs012@chinahuaning.com
Phone: +8618769883039
whatsapp: +8618769883039
Wechat: 18769883039
Address: Xinxing Street, Industrial Park, Shanghe County, Jinan City, Shandong Province
Business license
Business license
