Group 1 - Shandong Heavy Industry Weichai Power signed a strategic cooperation agreement with the People's Government of Feicheng, Weichai New Energy Power Technology Co., and Zero One Four Advanced Materials Co. on July 15 [1] - The agreement aims to jointly promote key technological breakthroughs in sodium-ion advanced materials, cells, and battery systems [1] - The collaboration will accelerate the large-scale application of sodium-ion batteries in commercial vehicles and energy storage sectors [1]