I called one of the local Exchange Bureau's in Tehran (next to the place I live) and he told me that he ACCEPTS Yuan (RMB). So i think that you do not need to change your YUAN to Dollar and then from Dollar to RIALS. If this office next to my home accepts Yuan, i think many of exchange offices accept RMB. If one Exchange bureau doesn't accept to change Yuan, ask another office.
我在出去旅行的时候都是准备人民币和美元!基本首选人民币兑换,如果人民币对方不接受在使用美元!不过我们的人民币真的不像我们国家宣传的那样!反而是美元全球通吃!包括俄罗斯!
ACCEPTS Yuan (RMB). So i think that you do not need to change your YUAN to Dollar and then from
Dollar to RIALS. If this office next to my home accepts Yuan, i think many of exchange offices accept RMB.
If one Exchange bureau doesn't accept to change Yuan, ask another office.