On November 16, 2018, the Qingdao Metro City Development Strategy Signing and Brand Launch Conference was held at the Qingdao International Convention and Exhibition Center. Strategic cooperation units such as CRRC Sifang Vehicle Research Institute, CRRC Qingdao Sifang Locomotive and Rolling Stock Co., Ltd., China Railway Electrification Bureau Fuxin Co., Ltd., Nanda Automation Technology Jiangsu Co., Ltd. and other strategic cooperation units took the stage to debut. The general manager of Qingdao Metro Group, Wang Yongliang, and Chen Yuyan, chairman of Nanda Automation Technology signed a strategic cooperation agreement. Several leaders of the relevant functional departments of Qingdao Municipal Government and Zhang Jun, deputy general manager of Qingdao Metro Group, signed the assistance.