谁能用英语来介绍下上海地铁

Shanghai Metro Operation Co., Ltd. (hereinafter referred to as SMOC) is now operating Shanghai Metro Line 1, Line 2 ,Line 3 and Line 4 with a total mileage of 104 km. It will also undertake the operation management for the further eastern and western extension of Line 2, northern extension of Line 3, Line 7, Line 8, Line 9 and Line 10 with a total mileage of over 200 km. SMOC carries forward the unprecedented era of originating the metro system in Shanghai pioneered by its predecessor. It aims to be the first-class metro operator in the world.

With the concept, Safety First, Service First, and Performance Excellence, SMOC masters a lot of advanced technique in rail transit, accumulating abundant experience and possessing many technical & managerial experts. Therefore, SMOC has been awarded the Certification of ISO9001: 2000 Quality Management System, ISO14001 Environmental Management System, GB/T28001 Occupational Health and Safety Management Systems, and National Certifi