Torsion Spring For Garage Door
Torque Force Torsion Spring
Torsion Spring
Surface treatment: galvanized, , electrophoretic coating, oxide coating Certification: ISO 9001:2008 payment terms: L/C, Western Union, D/P, D/A, T/T, MoneyGram model: OEM production Material: Steel, carbon steel, stainless steel, alloy, steel style: Coil Origin: CN,Tianjin,Tianjin, China port:...