InvestmentsTop Global NewsMarketsReal Estate Huawei’s legal chief says US equipment ban ‘not normal’, fear of security threat ‘only speculation’ By financialnews_rlv83x - May 29, 2019 0 235 Song Liuping says it hopes the “mistakes” in the National Defence Authorization Act can be corrected in court, after Huawei filed a motion for summary judgment against the law barring federal agencies from buying its products.