原告天津铁路惠源物资贸易公司因买卖合同欠款纠纷将北京化工实验厂诉至北京铁路运输法院。而被告北京化工实验厂在提交答辩状期间对管辖权提出异议,认为原告以买卖合同纠纷提起诉讼,不是铁路运输合同纠纷,也不是与铁路运输有关的侵权纠纷,应移送人民法院审理。北京铁路运输法院经审查认为,原告惠源物资贸易公司为铁路所属企业, The plaintiff Tianjin Railway Huiyuan Materials Trading Company sued Beijing Chemical Experiment Factory to Beijing Railway Transportation Court for dispute over the debts of the sale and purchase contract. However, the defendant Beijing Chemical Experiment Factory challenged its jurisdiction during the submission of the pleadings. He claimed that the plaintiffs filed a lawsuit in connection with the dispute over the sale and purchase of the contract. They were neither the contract of railway carriage dispute nor the infringement dispute related to railway transportation and should be referred to the people’s court for trial. After reviewing the Beijing Railway Transportation Court, the plaintiff Huiyuan Materials Trading Company is an enterprise affiliated to the railway,