The drugs were removed before the consignment was delivered under police surveillance to a western Sydney logistics facility connected to the man’s company.

The substance, also known as 'tusi,' typically combines ketamine, MDMA, and other chemicals, with little or no actual cocaine content.

The AFP estimates the meth could have been divided into over 50,000 street-level deals.

The investigation began after Australian Border Force (ABF) officers inspected 10 boxes of structural supports shipped from China, discovering a concealed white powdered substance.

Authorities emphasise that Kamini is illegal in Australia but is being “clandestinely imported” and sold in certain grocery stores and online.

RCMP found a total of 89 firearms, including handguns, AR-15-style rifles and submachine-guns as well as small explosive devices, ammunition, silencers, high-capacity magazines, body armor, and $500,000 Canadian (US$359,000) in cash.

“This is an immense amount of illicit drugs which our officers have stopped from filtering through to the streets, hundreds of thousands of lives not put at risk due to these dangerous substances."

A bag of the substituted drugs was discovered on a set of scales near a vacuum sealing machine.

During the search, officers discovered clothing items containing a crystalline substance impregnated into the fabric.

The drugs were removed before the vessel departed Los Angeles for Australia.