August 23 (SeeNews) - Croatia's Djuro Djakovic group [ZSE:DDJH-R-A] said on Tuesday that its unit Djuro Djakovic Special Vehicles signed an 189.9 million kuna ($25 million/25 million euro) contract to manufacture and deliver its Shimmns freight rail carriages to GATX Rail Europe (GRE), a subsidiary of US full-service railcar lessor GATX.