Luxury cars, luxury brand clothes and so on.
Check out Rich kids of Tehran instagram, facebook pics and you'll get a idea. They even upload pics drinking Western brands of alcoholic beverages (something forbidden in Iran, when poor Iran people make homemade alcohol they are hard punishing)
The sports cars, swimming pools and booze-soaked parties of Iran's young and wealthy is a world away from what we have come to expect from the Islamic Republic.
www.ynetnews.com
Try to sell a Chinese copy of a Louis Vuitton bag to the wife of a Iran elite member, and she'll kill you for sure

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China has increase a lot his GDP, but West/USA still has the world monopoly of luxuries wanted by all ruling elites of this world. So they have more world power with same GDP because the things they sell are wanted by people with power in all countries.