The aluminum alloy battery case produced by the company has the advantages of light weight, beautiful appearance and corrosion resistance, and is the first choice for modern new energy vehicles. At the same time, it passed the review of Volvo battery shell materials and processing, and became Volvo's first battery shell material supplier. At the same time, the company and Magna synchronously developed the processing and manufacturing process of aluminum alloy shells, and successfully completed various Comparison of welding processes.