| Place of origin | Binh Duong Provine |
| Style | Spiral |
| Material | Stainless steel,alloy,brass, copper, aluminum,iron etc |
| Usage | Car,high-speed rail,Industrial,furniture,toy,gift,office equipment etc |
| Size | Customized size |
| Color | Sliver, black, white etc, can customized |
| Design | Customized |
| Surface | Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper plating, silver plating etc |
| Style | Hardware spring |



















