Process & Quality control
Chemical composition| F.Q.C time | contents | point |
| Start | element (E1) | ● |
| In-line | element (E2) | ● |
| Final | element (E3) | ● |
| Start | Mold (K1) | ● |
| In-line | Mold (K2) | ● |
| Final | Mold (K3) | ● |
| Start | GAS examine (G1) | ● |
| In-line | GAS examine (G2) | ● |
| Final | GAS examine (G3) | ● |
Specification