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    Major advance to halt flow of 'gutter oil'

    By Cheng Yingqi | China Daily | Updated: 2013-07-25 07:19

    Major advance to halt flow of 'gutter oil'

    A community worker (center) in Shanghai recycles used cooking oil on March 6. Public concern over illegal oil pushed Chinese scientists to find ways to fight against "gutter oil". Wu Kai / for China Daily

    University experts say new kit can test purity in one minute

    Major advance to halt flow of 'gutter oil'

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