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Product Name |
Garage Door/ Door Handle Torsion Spring |
Material | High carbon steel : 77B / 82B |
Wire diameter | 5 mm /5.5mm /5mm /6.5mm /7mm /7.5 mm |
Inside diameter | 50.8mm -152mm |
Outer diameter | 325mm - 3500 mm
|
Surface | Oiled Tempered / Black coated/Corrosion resistant
|
Usage | Rolling door / garage door / industrial /Furniture
|
if you have more question , please Contact us
Contact Person:Sun Chen
Skype :Sun 10000806
Trade manager: cn1510761621
Q Q number : 1663364297
Mobile :86-022 -18222108085
Tel:86-022-68764511
Fax:86-022-68764725
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