The gang allegedly contacted victims in China, building up relationships with their targets over time before asking them to send nude pictures which they then used as blackmail.
Cambodia has arrested more than 200 Chinese men and women suspected of running an online scam that persuaded victims to send nude photographs and then extorted them for cash.
The sweeping arrests come as the Southeast Asian country cracks down on Chinese cybercrime gangs who use web technology to target their fellow citizens from abroad.
The gang allegedly used internet voice calls to contact victims in China, building up relationships with their targets over time before asking them to send nude pictures which they then used as blackmail, police said.
Cambodia has deported hundreds of alleged Chinese telephone and internet fraudsters in recent years, including 74 Chinese nationals accused of running an online extortion racket last month.
In July, a gang of 44 people from China and Taiwan were arrested in Thailand for allegedly running an elaborate phone scam that conned $3 million from scores of victims, mainly based in China.
Indonesia said it would deport 153 Chinese nationals arrested for their alleged involvement in a multimillion-dollar cyber fraud ring targeting wealthy businessmen and politicians in China.