Research Centers SRI, as one of the deputies of ISIRI, consisted of 4 following research centers, 15 research groups and over 100 specialized research laboratories Research Center of Technology and Engineering Research Center of Chemistry and Petrochemistry Electrical Engineering Research Group Medical Engineering Research Group Metallurgy and Mechanical Engineering Research Group Construction and Mineral Engineering Research Group Vehicle Engineering Research Group Chemistry Research Group Petrochemistry and Polymer Research Group Textile and Leather Research Group Cellulosic Materials and Packaging Research Group Research Center of Food Technology and Agricultural Products Research Center of Quality Assessment and Management Systems Food, Halal and Agricultural Products Research Group Microbiology and Biology Research Group Food Toxicology Research Group Risk Analysis Office Conformity and Skill Assessment Research Group Management Systems Research Group Metrology Research Group Proficiency Testing Center