Being in Australia. Why have you focused your approach to Oregon? They do have plenty of labs but Oklahoma California and many other states are capable. You found this website at least and this place is resourceful.
Canning white label hemp beverages that comply with international export to Australia is doable, but Canned products manufactured are going to have a higher MOQ. Plenty others in the space here would try to assist and earn your business or point you in the right direction as well.
Also: outdated by over a year now, but all of these licenses and types are able to be found on Google
***I also work in a Dual Hemp & Cannabis Licensed manufacturing facility in Oklahoma. I may be able to help solve the need based on understanding the production goals.