The raw materials used in sheet metal processing include:
1. Hot-rolled steel sheet (SHCC)
2. Galvanized steel sheet (SECC, SGCC)
3. Copper, brass, red copper, beryllium copper
4. Cold-rolled steel sheet
5. Aluminum sheet (6061, 6063, hard aluminum, etc.) and aluminum profiles
6. Stainless steel (mirror finish, brushed finish, matte finish)
