Penerangan
The delivery cycle is 15 days
| place of origin | China | model number | torsion spring |
| style | Cylinder | material | custom |
| usage | Other | Product name | torsion spring |
| Material | Stainless Steel, Aluminum, Bronze,Nickel | Standard | Customized |
| Finish | Nickel plating, gold plating, silver plating, Tin plating etc. |