The raids were carried out in the Tuscan town of Prato, home to one of the biggest Chinese communities in Europe and a booming textile industry notorious for sweatshop exploitation.
Today's raids were carried out under warrants issued for criminal association and commissioning racially-motivated violence.
Police said nine individuals were under investigation but that they had not been arrested or charged with any crime. They are all linked to a Chinese cultural association called "The City of the White Stag."
Giuseppe Nicolosi, the prosecutor in charge of the probe, told a press conference he was looking into five or six beatings but that the raids had been carried out for other reasons.
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He also denied there was any link between the raids in Prato and street clashes that erupted on Wednesday in a nearby suburb of Florence after a health and safety inspection of a Chinese-owned textile factory.
Around 300 people were involved in violence sparked after an altercation between officers and an elderly Chinese man who was stopped leaving the factory with a baby in his arms, according to local reports.
Four policemen and three workers were injured in the scuffles in the Sesto Fiorentino district and police made two arrests. Reports said protesters had shouted: "All you know how to do is to hand out fines."
In Beijing, Chinese foreign ministry spokesman Hong Lei said Chinese diplomats had made representations to the Italian authorities, "asking them to enforce the law, carry out just investigations, and safeguard the security and legitimate rights and interests of Chinese citizens in Italy".
"Meanwhile, we ask Chinese citizens in Italy to safeguard their own rights and interests in a reasonable way.