GSF the seafood business went bust. The listed shell was taken over and re-floated by these guys. Nothing magic about it. Cheaper to obtain a listing this way than going through the drama of listing from scratch.
This mehod is a variant on the "back door listing" method - see here for a legal definition (or any other link you find when you google "back door listing":
http://www.findlaw.com.au/articles/default.asp?task=read&id=6012&site=LE