International Technical Development Center
The International Technical Development Center ( ITDC , German "Internationales Technisches Entwicklungszentrum" "ITEZ" ) is one of the engineering and design centers of Groupe PSA , and was the main engineering and design centre of General Motors in Europe , having been sold with the complete Opel/Vauxhall automobile business and the two brands Opel and Vauxhall to the Groupe PSA by August 1 , 2017 . 
<triplet> Groupe PSA <subj> Opel <obj> owner of <subj> Vauxhall <obj> subsidiary <triplet> Opel <subj> Groupe PSA <obj> owned by <subj> Groupe PSA <obj> owned by <triplet> Vauxhall <subj> Groupe PSA <obj> parent organization <subj> Groupe PSA <obj> parent organization <triplet> Groupe PSA <subj> Opel <obj> owner of <subj> Vauxhall <obj> subsidiary