I'll go first on this one. We'll have a tag team for it.
In terms of processing, refining, smelting and the midstream part of the value chain, you need to have the product to push through those facilities. In his opening remarks, Jeff mentioned how Vale needs to import some of that product.
The business case is certainly not there, currently, to expand our processing and smelting facilities, because we don't have that expansion of critical mineral production. We need to produce more to smelt more. If we don't have that production increasing.... The cost of building processing facilities is from $200 billion to $500 billion. It's a very expensive endeavour. We need to have the product to do this. We have processing facilities that are not operating at capacity, currently. We need to grow our feedstock into those facilities to be able to then grow the business case for additional facilities.
I'll be very quick on this. The reason is that China's smelting and processing sector has very low treatment and refining charges. Essentially, it's what a miner will pay to have their product smelted and refined into another product. Because the prices are so low, the margins are exceptionally thin, currently, for processing and smelting facilities. The economics are not there for having the product—the rocks coming out of the ground—in terms of profitability and being able to charge. In some cases, the treatment and refining charges are below zero. There are negative numbers right now.
There are difficult circumstances, currently, in terms of having additional facilities constructed.