Given the requirement of the Central Bank of the Islamic Republic of Iran for all imported goods, the issue of credit documents should be inspected and evaluated by inspection companies. In addition, according to the rules of the National Iranian Standards Organization, the goods are classified into two categories, compulsory and non-conforming standard, and eligible goods should also be evaluated qualitatively. Accordingly, Iran Engineering Inspection Company, having several branches, can carry out inspection of goods in all countries of the world and carry out inspections at the origin of transportation and issue certificates of PSI and VOC.