The products in Yongxin have good surface and flat shape as well as the good mechanical properties and thickness tolerance. Thickness: 0.045-0.8mm (main thickness: 0.045-0.3mm) Width: 20-530mm Grade: SPCC SPCD SPCE ST12 ST14 Surface finish: SB SD Hardness: soft hard Main use: rechargeable batteries baseboard, deep drawing, electron, communicate field