The organization responsible for delivering the expansion of Stockholm’s metro system has defended its decision to award a tunneling contract to a state-owned Chinese firm. Region Stockholm, the body responsible for all publicly-funded transport and healthcare in Stockholm County, Sweden, was for awarding “impossible” metro contract to Chinese bidder to build three Blue Line tunnels to Nacka to the contracting giant China Tunnel Railway Group (CTRG). 

Region Stockholm's announcement can be read here (in Swedish).

http://www.globalconstructionreview.com/news/stockholm-metro-developer-defends-contract-award-c/