On January 16th of last year, the International Atomic Energy Agency announced that Iran had done enough to curb its nuclear development for international sanctions to be lifted.
The terms of the deal were originally agreed to in July of 2015 between Iran and six major world powers, including China.
Since the sanctions have been lifted, a number of Chinese companies have moved to invest in Iran.
However, Tang Yuezhen, head of the Chinese Chamber of Commerce in Iran, is warning Chinese investors to keep their expectations in check.
"The Iranian market is not as promising as it may have been advertised. Its business environment,