| name | Sound support | |
| Product specification | 265*148*41 | |
| Production technology | Blanking (two-dimensional laser cutting)/molding (soft die)/inner hole and edge cutting (three-dimensional laser cutting)/bending (CNC bending machine)/Galvanizing + electrophoresis | |
| Material information | SPCC | T=1.6mm |
| Elongation after breakingδ/5 | ≥40% | |
| Tensile strengthσb | ≥337 MPa | |
| Yield strengthσs | 198 MPa | |

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