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| 1.the material | 42CrMo4,C45,C60,Q345B,Q345D |
| 2.process | precise mould forging |
| 3.precision | EN10243-F |
| 4.quality control | precision mould guarantee theh dimensions torlerance |
| 5.usage | auto parts,hardware,metal parts,the other machinery parts |
| 6.heat treatment | QT |
| 7.human based | outside is R |