1, BYD BYD is a comprehensive state-owned new energy vehicle manufacturer, and its main products include electric vehicles, batteries and related parts. BYD has strong technical strength and market advantages in the research and application of lithium-silicon battery materials.

2. Billion-weft lithium energy. Yiwei Lithium Energy is a state-owned enterprise specializing in the research, development, production and sales of lithium battery materials. Its main products include lithium iron phosphate battery, ternary material battery and lithium silicon battery. Yiwei lithium energy has a high technical level and market competitiveness in the research and application of silicon lithium battery materials.