◎ The daily reporter of Science and Technology Zhu Hong Liyun, correspondent Yang Rui, on June 5, a bright yellow railroad polishing route passes at a speed of 40 km/h in a line dedicated in the Xiajia Cold chain based on Harbin, Hailongjiang, with the first GMCZ-10 metro railway in my country that officially appears and marks as an official entry.该团队由Harbin Railway行业集团有限公司（Harbin Railway Industry Group Co.，Ltd）制造，这是中国铁路Harbin Bureau集团的子公司。它是独立开发的。