5 1/4'' Industrial Door Electroplating Torsion Spring
Material:Spring steel 82B, 60,Si2MnA
Use for industrial door and lifting door
Brand QY
Wire Diameter:8.0-11mm
Inner Diameter: 132mm
Model Number: Customer Request
Style: Coil
Type: Torsion
Material: Steel
Usage: Industrial
Finish: Galvanized
Industrial door: Electroplating Torsion Spring
Payment term: TT 30% Deposit 70% Balance before Shippment
Lifting door: Electroplating Torsion Spring