Enter October，Three earth pressure balance shield machines manufactured by China Railway Equipment Group——“China Railway 1485”“China Railway 1371”And“China Railway 1498”，Successive offline through customer acceptance，It will be put into the construction of Jiamin Line and Chongming Line of Shanghai Rail Transit Regional Line respectively.，To contribute to the further upgrading of Shanghai's urban traffic.。

“China Railway 1485”Earth pressure balance shield machine，Excavation diameter 9.315 meters，The whole length is about 89.5 meters，It will be applied to Section 4 of Shanghai Jiamin Line.。

“China Railway 1371”Earth pressure balance shield machine，Excavation diameter 9.315 meters，The whole length is about 89.5 meters，It will be applied to Section 8 of Shanghai Jiamin Line.。

China Railway Equipment Co., Ltd. undertakes the manufacturing tasks of 8 shield machines for Shanghai Jiamin Line。The two devices offline this time will be offline before.“China Railway No.1489”“China Railway 1490”And so on 4 serve in the Jiamin line project construction together.，To provide a solid guarantee for the early completion and opening of Jiamin Line。

Jiamin Line is an important north-south main line of Shanghai rail transit.，Total length 44.04 kilometers，The underground section is up to 41.36 kilometers，Through Jiading、Two administrative districts of Minhang。After its completion，Jiading New Town will be connected in series、Hongqiao Hub、Minhang and other important areas and transportation hubs，It has become a new engine driving the economy of West Shanghai.，And further strengthen the links between Shanghai and the surrounding cities.，Promote the integrated development of transportation in the Yangtze River Delta region。

In addition，“China Railway 1498”The earth pressure balance shield machine was also successfully offline.，The excavation diameter of the equipment is 7.08 meters，Length of complete machine: 89m，It will be applied to Bid Section 19 of Shanghai Rail Transit Chongming Line.。

Chongming Line is an important rail transit line under construction in Shanghai.，Through the two administrative districts of Pudong New Area and Chongming District。Its completion will greatly shorten the space-time distance between Chongming District and the central city of Shanghai.，Promote the joint development of Chongming and the main urban area，It is of far-reaching significance to promote the strategic development of the integration of the Yangtze River Delta.。