九州一轨起诉中铁三局，指其拖欠北京地铁项目款项，涉及金额2700万元

Core Viewpoint - 九州一轨 has filed a lawsuit against 中铁三局 for unpaid debts and overdue payment losses amounting to 27.5366 million yuan, claiming that 中铁三局 has not fulfilled its payment obligations despite 九州一轨 having fully performed its contractual duties since their cooperation began in 2014 [1] Company Summary - 九州一轨 initiated legal action on September 19 to recover debts from 中铁三局, totaling 27.5366 million yuan [1] - 九州一轨 asserts that it has completely fulfilled its contractual obligations, while 中铁三局 still owes payments [1] - 九州一轨 has stated that the lawsuit will not affect its normal production and operations, but there is a potential adverse impact on the company's profits if some or all of the receivables are not recovered [1]