由南车四方机车车辆股份有限公司(“南车四方股份公司”)自主研发制造的首批6列时速300公里及以上动车组(CRH2-300型动车组)已顺利通过了为期7个月严格的试验验证、试运营考验。8月1日,首批动车组在北京奥运会配套工程、我国第一条高速城际铁路——京津城际铁路正式投入运 The first batch of six 6-speed EMUs (CRH2-300 type EMUs) with a speed of 300 km / h or more and independently manufactured and manufactured by CSR Sifang Locomotive and Rolling Stock Co., Ltd. (“CSR Sifang Co., Ltd.”) passed the seven-month Test validation, test operation test. August 1, the first batch of EMUs in the Beijing Olympic Games supporting projects, China’s first high-speed intercity railway - Beijing-Tianjin intercity railway formally put into operation