
21700 Rechargeable Lithium Ion Battery. OEM Customization: We provide assembly and customization services for various types of batteries. Free Samples: Material samples or small rolls of battery steel strips are available free of charge. Industry Leadership: Supplier to Nanfu Battery and GP Batteries with 30% of China's battery steel strip share. Strict Quality Control: Products undergo thickness, hardness, salt spray, and surface analysis testing. Multiple Certifications: Products meet CE, ROHS, and REACH international standards. Flexible Payment: Accepts T/T, L/C, D/P, and PayPal with 30% deposit standard terms. Large Capacity: Annual sales volume over 3,000 tons with sufficient inventory for large orders. Wide Application: Serves consumer electronics, EVs, energy storage, and industrial applications.