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Jingyi was founded in 1978, a global leader manufacturer & supplier in precision miniature shafts (axles),pin, hardware parts.
» Auto Parts
...... Wiper system
...... Air blower system
...... Fuel pump system
...... Strengthener system
...... ABS system
...... Car seat motor shaft
...... Car window lifter motor shaft
...... Car audio system
....... Intelligent anti-theft system
| Material | SUS420J2/SUM24L/SUS300/SUS42J2/SUM24L/SUS300 |
| Roundness | 0.0003mm |
| Cylinderness | 0.0005mm |
| Roughness | Ry0.4 |
| Gear/Worm Precision | Grade 6 |
| Position | 0.03mm |
| Heat treatment | point hardening ( cementite, oxidation, high frequency ), quench hardening |





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Description