1. Raw material

High-purity raw materials received

2. Dissolving

Process of producing electrolyte for making foil by melting raw materials in the electrolyte solution

3. Plating

Process of producing copper foil of uniform thickness by plating Cu ion on drums in electrolyte solution

4. Slitting & Sheeting

Slitting in the width direction of the copper foil according to customer demand size

5. Inspection

Process of packing and shipping after stringent quality inspection