
High-Quality OEM 18650 21700 46800 Cell Case for Cylindrical Lithium Ion Battery. OEM Customization Services: We provide assembly and customization services for various types of batteries. Free Sample Availability: Free material samples or small rolls of battery steel strips are available for quality evaluation. Global Industry Recognition: Supplier to leading brands like Nanfu Battery and GP Batteries with stable quality. Strict Quality Control: Products undergo thickness, hardness, salt spray tests, and surface analysis. Flexible Production Capacity: Annual sales over 3,000 tons with sufficient inventory for large-scale orders. Wide Application Scope: Products serve consumer electronics, EVs, energy storage, and industrial applications. International Certifications: Products hold CE, ROHS, and ISO certifications ensuring safety and reliability.