Alstom’s Chinese joint venture Shanghai Alstom Transport Electrical Equipment Co has been awarded a new contract by Nanjing metro & CRRC Puzhen to provide the state of the-art train traction and auxiliary system for 258 metro cars that will run on Nanjing Metro Line 6 in Jiangsu province, China. Under the terms of the contract, Alstom will provide the Opt-ONIX traction system, which was specifically designed and developed for the Chinese market. It includes traction inverters, motors, and auxiliary converters. The Opt-ONIX system is designed to improve operational performance and reduce life cycle costs by featuring a lightweight and compact design by using regenerative electrical braking. All traction systems are manufactured by Alstom’s joint venture, SATEE in China with support from Alstom sites in Belgium, France and India.Alstom’s joint venture Xi’an Alstom Yongji Electric Equipment Co will supply the traction motors. With full speed, Alstom will deliver the first train traction equipment within 2022.The Nanjing Line 6 is a key metro line in Nanjing’s metro network. It is 32 kilometres long with 19 stations connecting the airport link S1 in which Alstom also supplied the traction system for its metro cars. According to the long-term metro network development plan of Nanjing, Line 6 will have interchange stations with 11 metro lines in the future.Alstom’s footprint in Nanjing as a major supplier of metro cars, traction systems, signalling systems and services has been for more than 20 years. So far, Alstom has supplied 456 metro cars for Nanjing Line 1, Line 2 and their respective extensions, traction systems for the 852 metro cars of Nanjing Line 4, 7, 10, S1 and S3, signalling systems for Ningtian Intercity Line, and traction overhaul services for Nanjing Lines 1 and 2.