Now I've read this and I'm shocked... no I'm not.
Low end products tend to have a really long shelf life, because they are stuffed full of preservative. Larry mentioned that some of these preservatives are now banned in many western countries, but are still ok for use in Australia. So the companies involved simply shipped all their banned raw materials to China and had it manufactured there for the Australian market. I won't mention them by name, since I have no direct evidence, but here is a clue.Read more here at Boy on a Bike's blog.