Since the launch of the Zhengzhou-Europe train, its biggest feature has been the balanced round trip and high frequency. It ranks among the top in the comprehensive evaluation of quality and safety indicators such as the load rate, round trip balance rate, plan fulfillment rate, transportation safety, and market freight rates. Although the number of Zhengzhou-Europe trains is not the largest, the number of return trains to Europe is the largest. The proportion of outbound trains to return trains
