Are you looking for Dangerous Goods signs on the Gold Coast ? A most noteworthy sign supplier here is National Safety Signs in Gaven. Furthermore they manufacture all types of signs. In addition to Dangerous Goods, it seems like they have every sign you could imagine. You can have a browse though the web store ( click here ) or through the Dangerous Goods list ( click here ). You will find the transport EIP Panels and the Storage EIP signs here.
There is a bit of light reading HERE
In addition to Gold Coast sales, Dangerous goods and hazchem signs can be shipped all over Australia.