With the acceleration of the transformation of China's urbanization, China has become the fastest developing country in the world. At the end of June 2016, Chinese Mainland has operated rail transit line in Beijing, Shanghai, Guangzhou, Shenzhen, Tianjin, Nanjing, Suzhou, Wuxi, Hangzhou, Ningbo, Foshan, Wuhan, Zhengzhou, Xi'an, Changsha, Chongqing, Chengdu, Kunming, Shenyang, Dalian, Harbin, Qingdao, Nanchang, Changchun, Fuzhou, Dongguan, Nanning, Huaian 28 cities operation line 119, line length of 3473 km, 2350 stations, including Beijing, Shanghai, Guangzhou, Shenzhen, Nanjing city has entered the operational phase of the network. It's expected that opening and operation city will be increased to 29, including Fuzhou, Dongguan, Nanning, Hefei 4 cities for the first time of operating, the total length of the total operating line will reach 3909 km.

In order to ensure the safety, reliability, high efficiency and low cost of urban rail transit, we must do a good job of equipment maintenance and support work. which is an important measure to ensure the safety, reliability and economic operation of the equipment. Therefore, attention and exploration of city rail transit equipment maintenance innovation and practice is very necessary.

Therefore, Chinese rail transportation network, Beijing Subway Operation Co., Ltd. jointly organized the "2016 China city rail transit equipment maintenance innovation and practice seminar, invited the city rail transportation industry experts, owner units, design institutes and equipment units, through keynote speeches, panel discussions, product demonstrations, field visits etc., to explore the special topic of "city rail transit equipment maintenance innovation and practice", focus on issues of "maintenance mode selection, maintenance information, maintenance procedures and standards, maintenance of equipment resource sharing, professional maintenance practice and innovation" etc.