While South Korea was the first country to impose sanctions on Iran’s auto parts industry, it was the biggest exporter of automobiles to Iran in the current year (to end March 20), Mehdi Motallebzadeh, an auto part maker told ILNA on Friday. He added that domestic auto part manufacturers are burdened with huge debts as a result of improper planning and are not capable of paying their debts or even their staff salaries.