The tin market is under greater pressure from an economic slowdown and falling demand than supply issues, where lower production from countries such as Myanmar is likely to be offset by a new project in central Africa. Tin prices on the London Metal Exchange at around $18 000 a tonne are down 15% since hitting one-year highs at $21 800 a tonne in February, when the market was fretting about record low stocks in LME approved warehouses.