Can't you use google? Or you could take a look at SDLs cost curve pic which shows you exactly where consensus long term iron price is forecast to be.
Basic supply and demand
You have missed the point on Chinese domestic production though, it is the cost that matters, a fair portion of Chinese ore is very low cost. Which should be no surprise as SDLs itabirite is not DSO either, and it will ned to be shiped halfway around the world from western africa compared to nextdoor in china. Average" can be a meaningless concept when there are two very different populations (high and low cost)
SDL Price at posting:
32.2¢ Sentiment: None Disclosure: Not Held