Sumitomo Group
On December 31, 2010, the TRA signed a NT$10.6 billion contract with Sumitomo Group and Nippon Sharyo to supply 17 tilting train sets capable of traveling . These eight-car electric multiple units (EMUs) were delivered from 2012 to 2014 for "Taroko Express" services running between Taipei and Hualien on the east coast lines. The system achieved a single day record on February 5, 2011 during Chinese New Year celebrations, transporting 724,000 passengers a day.