A gang operating in the West Midlands used a furniture removal company as a front to smuggle £135m worth of drugs into the UK.
The four men used dummy loads of furniture to hide packages of drugs in lorries and vans through UK ports.
West Midlands Police said the ringleader, Jonathan Arnold had a life of luxury, with trips to Dubai where he filmed himself driving a Ferrari.
Officers brought down the gang following a number of drug seizures between January and June last year.
West Midlands Police said the ringleader, Jonathan Arnold had a life of luxury, with trips to Dubai where he filmed himself driving a Ferrari
|West Midlands Police
During one drug in a real estate removals van in January, one of their couriers had his van searched by French customs officers, who found 63 blocks of cocaine along with 99 bags of ketamine, which had a UK wholesale value of more than £2.5m, according to police.
In April the gang tried to bring in 1,477 kilos of cocaine with a street value of around £118m into Portsmouth hidden among bananas.
However the drugs were seized Dutch police on a ship which had travelled from Colombia to the Netherlands.
Another of the gang's drivers, Connor Fletcher travelled to a town near Amsterdam for an overnight trip and returned with 60 kilos of cocaine hidden in two secret compartments built into the floor of the lorry.
Officers had linked him to the gang so West Midlands police asked Border Force to intercept him on his return where he was arrested.
Arnold, 29, of Cremorne Road, Sutton Coldfield, admitted four charges of conspiracy to import and supply drugs, namely heroin and ketamine.
James Jenkins, 25, of Lichfield Steet, Tamworth, was found guilty of two charges of conspiracy to supply and import cocaine.
Connor Fletcher, 25, of Bridgnorth Road, Wolverhampton, and Humayan Sadiq, 43, of Manchester, were both found guilty of conspiring to import cocaine.
Detective Chief Superintendant Jenny Skyrme said: "We can't underestimate the scale and significance of this criminal organisation. This is the biggest drugs case that we have ever dealt with as an organisation.
"The gang was operating at the highest levels of criminality, bringing in industrial quantities of drugs to sell on the streets of the West Midlands and beyond.
"As the head of the crime group, Jonathan Arnold enjoyed a lavish lifestyle, driving luxury cars and enjoying trips to Dubai.
"He gave the impression that he was a legitimate businessman with a small firm which moved furniture and had a turnover of £50,000 a month.
"The reality was that he was arranging tens of millions of pounds worth of drugs to be imported into the UK from Europe and South America, which would have gone on to cause untold misery and significant harm to communities."