Railroads, highways and subways are tunneled in the south of China, the temperature inside the tunnel culvert sometimes ups to 42℃. Based on the market demand, Tranp developed a tunnel air conditioning system, which is applied to the shield machine and can effectively improve the tunnel ambient temperature.
This system has been successfully applied to the Guangdong metro project, which can effectively control the tunnel ambient temperature below 30℃ in the high temperature weather.
