Spanish and French police say they have dismantled a human trafficking ring that smuggled Chinese migrants into Europe and the United States, arresting 75 suspects including "main operatives" based in Barcelona.
Fifty-one suspects were arrested in Spain and 24 in France after a two-year joint investigation, a police statement said on Saturday.
The traffickers charged 40,000 to 50,000 euros ($A58,535 to $A72,895) per person to provide "false identities and transport Chinese citizens to the United States and countries such as Spain, France, Greece, Italy, the United Kingdom, Ireland and Turkey," the statement said.
In some cases the ring was involved in the sexual exploitation of migrants, it added.
Spanish police seized 81 fake passports from Asian countries such as Taiwan, South Korea, Malaysia, Japan, Hong Kong and Singapore.
The investigation into the ring described as "complex" began in July 2011.
"The composition of this perfectly structured, hierarchical organisation, with its kingpin in China and independent cells operating in different countries, completely shut off from each other, complicated the investigation," the police statement said.
The traffickers accompanied their clients all the way from China to Spain, "the last stop (serving as a) trampoline to the final destination, usually the United Kingdom or the United States," it said.
