COLAKOGLU METALURJI- Auditor visits to verify the quality of reinforcing steel B450C, test certificates and six-months reports Duration: 01/01/2016 - 31/12/2016 Principal investigator(s): Donato Sabia Contract type: Commercial contracts for the provision of services Structures DISEG - Department of Structural, Geotechnical and Building Engineering Partners COLAKOGLU METALURJI