St Modwen, the property developer, acquired the 403 acres of the Longbridge site in two transactions in 2003 and 2004 for £57.5m.
Nanjing still has not made a decision on whether it will restart production at the Longbridge site. It missed its own deadline to decide at the end of 2005, due to a lack of financial backing and a new management team.
GB Sports Cars is the best bet for a restart in production at the West Midlands plant. It signed a memorandum of understanding last year to revive the Austin Healey sports car brand.