The reporter learned from the South Railway Group that on July 22, outside the Changbei Airport Station of the Changjiu High Speed Rail, with the last contact network wire being accurately anchored and smoothly installed, the 334.2 km contact network wire erection for the entire line was successfully completed, marking the completion of the main construction of the upper grid frame for the Changjiu High Speed Rail traction and power supply, creating conditions for subsequent static inspection and joint commissioning.

The reporter learned from the South Railway Group that on July 22, outside the Changbei Airport Station of the Changjiu High Speed Rail, with the last contact network wire being accurately anchored and smoothly installed, the 334.2 km contact network wire erection for the entire line was successfully completed, marking the completion of the main construction of the upper grid frame for the Changjiu High Speed Rail traction and power supply, creating conditions for subsequent static inspection and joint commissioning.