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DENVER , April 15 ( Reuter ) - A federal judge cited national security concerns Friday when he refused to free a Chinese citizen who remains under house arrest charged with stealing software technology . Ericsson has established R & D centers in several major Chinese cities , including Beijing , Guangzhou , Shanghai , Nanjing , Qingdao and Chengdu . Who was it that took delivery of the Chinese food in the motel just prior to the bombing ? " Huang , who is monitoring a $ 350-million World Bank loan for Chinese housing , believes a functioning property market will eventually emerge - but not because of badgering from the center . U.S. search engines like Google face a formidable rival in the Chinese search company Baidu .