There are many ways to categorize springs:
1, according to the use: tension spring, torsion spring, compression spring and so on.
2, according to the material to be divided: copper springs, alloy springs, steel wire springs, titanium alloy springs and so on.
3, according to the shape: tower springs, rectangular springs, straight springs, single and double torsion springs and so on.
4, according to the industry: ornamental springs, toy springs, mechanical springs, mold springs and so on.