扭转春季为关闭的门

torsion spring for shutter door material:65Mn wire diameter:6.5mm 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 80mm 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.