steel springs
Wuxi Energy Technology Co., Ltd. [China]
Minimum Order: 0
Quality/Safety Certification: 0.00
It is special produced by our factory which is well used in roller shutter windows and doors. different shapes.
We have the machine to produce the spring which we adopt the high stainless steel and alluminum alloy extrusion material. As for the length,we can produce by what you need. Normally we usd this one attached in the picture. If you have different orders, please let us know-----