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Cheung dismissed claims that those rules on campus infringe on academic freedom, saying any attempt to discredit national safety in the city was "nonsense".
Cheng Manli, director of the Research Institute of National Strategy Communication at Peking University, said although the survey was conducted before the COVID-19 outbreak, China's role as a contributor to global development has been consistent and could be seen during the pandemic.
Chen noted that the widespread application of steel products must be based on sustainable and technology innovation.
Chen entered the South African market in late 2012 at an exhibition in Johannesburg, and his company has developed steadily in the country in four years.
Chen's mother, who used to be a village official and a Communist Party member, had always told him to put work before family.
来源：资阳报