On August 31, the Heilongjiang Youbao Railway completed the main line replacement and station line overhaul, and entered the trial operation stage. The Youbao Railway line covers important grain-producing regions in China. After the rail line is upgraded, it will greatly enhance the carrying capacity of grain and commodities in the Sanjiang Plain.

On August 31, the Heilongjiang Youbao Railway completed the main line replacement and station line overhaul, and entered the trial operation stage. The Youbao Railway line covers important grain-producing regions in China. After the rail line is upgraded, it will greatly enhance the carrying capacity of grain and commodities in the Sanjiang Plain.