Specifications

extension spring for shutter door
material:65Mn
body length:640mm
wire diameter:4.2mm
outside diameter:34.2mm

torsion spring for shutter door

material:65Mn

body length:640mm

wire diameter:4.2mm

outside diameter:34.2mm

finish:painted

 

As the biggest manufacturer of spring in FoShan area,

 you can expect these from us:

Various of springs and wire form, even punch fitting of hardware

Usage:auto,motorcycle,industry,ariculture,mine,furniture,elevator and so on

Wide range offered wire diameter from 0.1mm to 50mm

High quality and competitive pricing

ISO 9001:2000 certification

Small and huge orders as well as OEM/ODM accepted

Customised designs are welcome,so send us your specifications now.