Many guns and guns parts delivered by such services have been seized in past months, but the names of senders and receivers were all fake, making it difficult for the police to detain suspects, Xie said.
The police seized 5,597 assorted guns and more than 331,000 rounds of ammunition in a campaign code-named Blue Arrow-3 that took place Nov 28-30, according to Li Shihua, deputy director of the investigation bureau. Weapons seized during the campaign include semi-automatic rifles, machine guns and pistols.
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"A total of 885 suspects have been detained," Li told a news conference in Guangzhou on Thursday. "The police have also busted several secret gun production and sales locations in the province and swept up a number of criminal gangs that produced and sold guns, or that used guns to commit crimes."
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Li said Blue Arrow-3 has dealt a heavy blow to gun and related crimes that were once active in Guangdong, which borders the Hong Kong and Macao special administrative regions.