Comrade Kang Yi, Vice Mayor of Tianjin City, came to our company for research Comrade Long Miao, Deputy Director of the Management Committee of the High-tech New Area, came to our company for research The leaders of Tianjin High-tech Zone Science and Technology Bureau visited the Division German experts come to our company for exchange Key product components of the companyParticipation in the Munich Rail Show Company undertakes metro project "hot slip" in progress Branch of the Company and Tianjin Polytechnic Institute of ElectricityJoint Theme Day for Student Party Branches Shijiazhuang Railway University students and teachers visit the production workshop Company 2021 New Staff Development Training