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遍览科创板|4亿元投入交控系统研发,「交控科技」要进入重载铁路和既有线路改造市场
source link: https://36kr.com/p/5257165
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以中位值造价考虑，既有线路和重载铁路升级改造的市场容量高达300亿元。
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