On the morning of August 26th, CITIC Construction Co., Ltd. held training for “Working Principles and Technical Actualities of Metro Vehicles”. Sun Tiejun, assistant general manager of CITIC Construction Middle East, as well as relevant personnel of the Iranian metro project department, vehicle project department, integrated development department and general department attended the training. At the training, Zhou Xingyun, senior expert in the domestic metro vehicle field and consultant to the Iranian vehicle project department, taught a class on metro vehicles, conducting discussions and exchanges with trainees concerning specific issues related to their work.