40 sets of new air-conditioning equipment will cool down the XiZhiMen Station concourse on Line 4 operated by BJMTR this summer.

As summer has arrived, BJMTR has upgraded the air conditioning system at XiZhiMen Station on Line 4 to provide passengers with a cooler and more comfortable environment. The renovation includes the concourse and the platform. At present, the on-site construction of air conditioning system in the concourse has been completed, and 40 sets of new air conditioning equipment have started trial operation. During the trial operation, BJMTR will continue to pay close attention to the operation state of the equipment and make adjustment timely.