Matériel
stainless steel,carbon steel,customized
Utilisation
book,paper,car,sports equipment,door,etc.
Point d'origine
Guangdong, China
Name
Cheap Double Torsion Spring
Material
Carbon steel,stainless steel,inconel,etc.
Usage
Car,sports equipment,door,book,paper,etc.
Direction of turning
Multiple choice
Galvanize
Znic,nickel plating,colored-plating...