good time to buy srz, page-9

http://in.reuters.com/article/2014/03/03/column-home-indonesian-tin-idINL6N0M037320140303

extracts

That means that since September exports have dropped by a cumulative 8,000-15,000 tonnes from "normal" levels, depending on whether you count solder or not.
Doesn't sound like much but the global tin market is only a couple of hundred thousand tonnes in size and current inventory on the London Metal Exchange (LME) stands at a historically low 9,085 tonnes.

That's testament to the strangle-hold Indonesia currently exerts on global tin supply.

producers just about everywhere else are working hard just to maintain historical output levels as older mines deplete.
And, as everyone in this market now knows, future supply looks equally challenged.

The supply picture might, and probably will, change if the tin price starts with a "3" rather than a "2".