Three technological achievements involving CRRC as a principal contributing organization received Second Prizes at the 2025 National Science and Technology Progress Awards, announced in Beijing on July 8.

  1.Intelligent Quality Control Technology for Resistance Welding of Thin-Walled Structures and Its Application in Transport Equipment Manufacturing

  A project led by Qingdao CRRC Sifang Rolling Stock Co., Ltd. developed intelligent quality-control technology for resistance welding of lightweight, high-strength thin-walled structures.

  The technology significantly improves welding quality and enables closed-loop quality management across production lines, increasing overall production efficiency by more than 10%. It has been applied to multiple types of rail transit equipment, including products exported to more than ten countries and regions.

  2.Ultra-High-Power Supercapacitors

  A project led by Ningbo CRRC New Energy Technology Co., Ltd., a subsidiary of CRRC Industrial Investment Co., Ltd., developed supercapacitors featuring high specific energy, high specific power, and long service life.

  The technologies support applications in rail transit, electric power, energy systems, and industrial energy conservation. They have enabled the large-scale domestic production and application of key energy-storage components and contributed to advances in China’s supercapacitor industry.

  3.High-Performance Efficient Motor Systems

  CRRC Zhuzhou Institute Co., Ltd. participated in a project developing efficient motor systems with ultra-high specific power, high reliability, and strong performance under demanding operating conditions.

  The technologies are designed for applications including aerospace equipment and new energy vehicles and contribute to enhancing the competitiveness of China’s advanced equipment manufacturing industry.