When did Hailar, Inner Mongolia pass the high-speed rail?

As of May 2023, the Hailaertong high-speed railway 19 in Inner Mongolia has not been completed.

Hailaertong high-speed railway is a high-speed railway connecting Hailaer City and Tongliao City in Inner Mongolia Autonomous Region of China, with a total length of about 270 kilometers. Although the high-speed rail construction has started, the specific opening time depends on factors such as construction progress and policy adjustment.

I suggest you pay attention to relevant official website or news media to get the latest information.