3 3/4'' Industrial Door Electroplating Torsion Spring
Material:Spring steel,82B, 60Si2MnA
Use for industrial door and lifting door
Brand QY
Wire Diameter:7.0-10.0mm
Inner Diameter: 94mm
Model Number: Customer Request
Style: Coil
Load Type: Torsion
Usage: Industrial
Finish: Galvanized
Industrial door: Electroplating Torsion Spring
Payment term: TT 30% Deposit 70% Balance before Shippment
Lifting door: Electroplating Torsion Spring
Address: