1..our constant force springs are made of SUS304 or SUS301.

2..The dimensions of the spring can be manufactured as your requirement.

3.We can also customize theshapes of spring ends to meet your need.

Thickness: 0.1 to1.5mm and wide: 2-80mm  

4.We specialized in the production of power spring, constant force spring, spiral spring.

5.These springs are widely used for safety belt systems, cable winders, toys, clocks and starting devices etc.

6.Our company has so far obtained the certificate of ISO9001 quality system.

Production specification list as below: Spiral spring with thickness from 0.10 to1.5mm and wideth from 2 to 40mm Power spring with thickness from 0.10 to 2mm and wideth from 2 to 80mm. Prestressed power spring with thickness from 0.10 to 0.6mm and wideth from 2 to 40mm. Constant force spring with thickness from 0.1 to 1.5mm and wideth from 2 to 80mm.

Above size is our standard size. We can also customize the spring as per your request.