Here are some links that you may find useful:
AGWA - Contains a large volume of Australian wine-related resources, label integrity specification, general information and industry support.
Austrade - Contains newest information on exports and international trading agreement.
Winebiz - Contains large volume of wine industry related information, e.g. Wine industry events calendar & research statistics.
The Australian Wine Research Institute (AWRI)- Provides industry support in the area of Research & Development for the Australian wine industry.
South Australian Wine Industry Association Incorporated - Contains useful information and resources for the South Australian wine industry.
Size Me Up - An interactive web application that assist you in determining your correct wine label size.